Unidades http://prometeo.matem.unam.mx/repositorio/ es Lectura y escritura de números decimales http://prometeo.matem.unam.mx/repositorio/node/2465 <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--title--recurso-indexado.html.twig x field--node--title.html.twig * field--node--recurso-indexado.html.twig * field--title.html.twig * field--string.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field--node--title.html.twig' --> <span class="field field--name-title field--type-string field--label-hidden">Lectura y escritura de números decimales</span> <!-- END OUTPUT from 'core/themes/classy/templates/field/field--node--title.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'vud_widget' --> <!-- BEGIN OUTPUT from 'modules/vote_up_down/templates/vud-widget.html.twig' --> <div class="vud-widget vud-widget-heart_alternate"> <a id="" rel="nofollow" data-count="93" class="up inactive button-icon button-icon-count " href="/repositorio/vote/node/2465/1" title="Me gusta" > <span class="element-invisible"> Me gusta </span> </a> </div> <!-- END OUTPUT from 'modules/vote_up_down/templates/vud-widget.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--uid--recurso-indexado.html.twig x field--node--uid.html.twig * field--node--recurso-indexado.html.twig * field--uid.html.twig * field--entity-reference.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field--node--uid.html.twig' --> <span class="field field--name-uid field--type-entity-reference field--label-hidden"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'username' --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/user/username.html.twig' --> <span lang="" about="/repositorio/user/20" typeof="schema:Person" property="schema:name" datatype="">jlongi</span> <!-- END OUTPUT from 'core/themes/classy/templates/user/username.html.twig' --> </span> <!-- END OUTPUT from 'core/themes/classy/templates/field/field--node--uid.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--created--recurso-indexado.html.twig x field--node--created.html.twig * field--node--recurso-indexado.html.twig * field--created.html.twig * field--created.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field--node--created.html.twig' --> <span class="field field--name-created field--type-created field--label-hidden">Mar, 11/09/2021 - 10:23</span> <!-- END OUTPUT from 'core/themes/classy/templates/field/field--node--created.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-download-counter--recurso-indexado.html.twig * field--node--field-download-counter.html.twig * field--node--recurso-indexado.html.twig * field--field-download-counter.html.twig * field--integer.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div content="146" class="field field--name-field-download-counter field--type-integer field--label-hidden field__item">146descargas</div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-preview--recurso-indexado.html.twig * field--node--field-preview.html.twig * field--node--recurso-indexado.html.twig * field--field-preview.html.twig * field--image.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div class="field field--name-field-preview field--type-image field--label-hidden field__items"> <div class="field__item"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'image_formatter' --> <!-- BEGIN OUTPUT from 'themes/prometeo_david/templates/field/image-formatter.html.twig' --> <a href="/repositorio/node/2465" width="" height=""> <!-- THEME DEBUG --> <!-- THEME HOOK: 'image' --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/image.html.twig' --> <img width="" height="" src="/repositorio/sites/default/files/recursos/importados//imported/2404/icono_59.svg" alt="Logo Lectura y escritura de números decimales" typeof="foaf:Image" /> <!-- END OUTPUT from 'core/themes/classy/templates/field/image.html.twig' --> </a> <!-- END OUTPUT from 'themes/prometeo_david/templates/field/image-formatter.html.twig' --> </div> <div class="field__item"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'image_formatter' --> <!-- BEGIN OUTPUT from 'themes/prometeo_david/templates/field/image-formatter.html.twig' --> <a href="/repositorio/node/2465"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'image' --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/image.html.twig' --> <img src="/repositorio/sites/default/files/recursos/importados//imported/2404/icono_59.png" width="1023" height="633" alt="Logo Lectura y escritura de números decimales" typeof="foaf:Image" /> <!-- END OUTPUT from 'core/themes/classy/templates/field/image.html.twig' --> </a> <!-- END OUTPUT from 'themes/prometeo_david/templates/field/image-formatter.html.twig' --> </div> </div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--body--recurso-indexado.html.twig * field--node--body.html.twig * field--node--recurso-indexado.html.twig * field--body.html.twig x field--text-with-summary.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field--text-with-summary.html.twig' --> <div class="clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item"><p>En esta unidad podrás revisar cómo se leen y cómo se escriben con palabras los números decimales.</p></div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field--text-with-summary.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-proyecto--recurso-indexado.html.twig * field--node--field-proyecto.html.twig * field--node--recurso-indexado.html.twig * field--field-proyecto.html.twig * field--entity-reference.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div class="field field--name-field-proyecto field--type-entity-reference field--label-inline clearfix"> <div class="field__label">Proyecto</div> <div class="field__item"><a href="/repositorio/node/2404" hreflang="es">@prendeMx (matemáticas, ciencias y español)</a></div> </div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-tags--recurso-indexado.html.twig * field--node--field-tags.html.twig * field--node--recurso-indexado.html.twig * field--field-tags.html.twig * field--entity-reference.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div class="field field--name-field-tags field--type-entity-reference field--label-inline clearfix"> <div class="field__label">Palabras clave</div> <div class="field__items"> <div class="field__item"><a href="/repositorio/taxonomy/term/288" hreflang="es">SEP</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/289" hreflang="es">UNAM</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/290" hreflang="es">APRENDEMX</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/291" hreflang="es">IMATE</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/292" hreflang="es">LITE</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/293" hreflang="es">Laboratorio LITE</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/947" hreflang="es">Unidades</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/948" hreflang="es">decenas</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/949" hreflang="es">centenas</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/950" hreflang="es">décimas</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/951" hreflang="es">centésimas</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/952" hreflang="es">milésimas</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/405" hreflang="es">enteros</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/406" hreflang="es">punto decimal</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/338" hreflang="es">parte decimal</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/953" hreflang="es">parte fraccionaria</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/954" hreflang="es">lectura de números decimales</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/955" hreflang="es">escritura de números decimales</a></div> </div> </div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-area--recurso-indexado.html.twig * field--node--field-area.html.twig * field--node--recurso-indexado.html.twig * field--field-area.html.twig * field--entity-reference.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div class="field field--name-field-area field--type-entity-reference field--label-inline clearfix"> <div class="field__label">Área</div> <div class="field__items"> <div class="field__item"><a href="/repositorio/taxonomy/term/4" hreflang="es">Matemáticas</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/284" hreflang="es">aritmética</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/334" hreflang="es">decimales</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/286" hreflang="es">Sentido numérico y pensamiento algebraico</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/335" hreflang="es">Números y sistemas de numeración</a></div> </div> </div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-nivel--recurso-indexado.html.twig * field--node--field-nivel.html.twig * field--node--recurso-indexado.html.twig * field--field-nivel.html.twig * field--entity-reference.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div class="field field--name-field-nivel field--type-entity-reference field--label-inline clearfix"> <div class="field__label">Nivel</div> <div class="field__items"> <div class="field__item"><a href="/repositorio/taxonomy/term/283" hreflang="es">Primaria</a></div> </div> </div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-zipfile-url--recurso-indexado.html.twig * field--node--field-zipfile-url.html.twig * field--node--recurso-indexado.html.twig * field--field-zipfile-url.html.twig * field--link.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div class="field field--name-field-zipfile-url field--type-link field--label-above"> <div class="field__label">Archivo zip</div> <div class="field__item"><a href="https://prometeo.matem.unam.mx/recursos/Primaria/AprendeMxUNAM/ZIPS/PA6_OA_MA_3UNAM_001.zip">PA6_OA_MA_3UNAM_001.zip</a></div> </div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> Tue, 09 Nov 2021 16:23:12 +0000 jlongi 2465 at http://prometeo.matem.unam.mx/repositorio Sumando y restando en otras bases http://prometeo.matem.unam.mx/repositorio/node/2037 <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--title--recurso-indexado.html.twig x field--node--title.html.twig * field--node--recurso-indexado.html.twig * field--title.html.twig * field--string.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field--node--title.html.twig' --> <span class="field field--name-title field--type-string field--label-hidden">Sumando y restando en otras bases</span> <!-- END OUTPUT from 'core/themes/classy/templates/field/field--node--title.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'vud_widget' --> <!-- BEGIN OUTPUT from 'modules/vote_up_down/templates/vud-widget.html.twig' --> <div class="vud-widget vud-widget-heart_alternate"> <a id="" rel="nofollow" data-count="43" class="up inactive button-icon button-icon-count " href="/repositorio/vote/node/2037/1" title="Me gusta" > <span class="element-invisible"> Me gusta </span> </a> </div> <!-- END OUTPUT from 'modules/vote_up_down/templates/vud-widget.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--uid--recurso-indexado.html.twig x field--node--uid.html.twig * field--node--recurso-indexado.html.twig * field--uid.html.twig * field--entity-reference.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field--node--uid.html.twig' --> <span class="field field--name-uid field--type-entity-reference field--label-hidden"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'username' --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/user/username.html.twig' --> <span lang="" about="/repositorio/user/20" typeof="schema:Person" property="schema:name" datatype="">jlongi</span> <!-- END OUTPUT from 'core/themes/classy/templates/user/username.html.twig' --> </span> <!-- END OUTPUT from 'core/themes/classy/templates/field/field--node--uid.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--created--recurso-indexado.html.twig x field--node--created.html.twig * field--node--recurso-indexado.html.twig * field--created.html.twig * field--created.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field--node--created.html.twig' --> <span class="field field--name-created field--type-created field--label-hidden">Vie, 11/05/2021 - 12:56</span> <!-- END OUTPUT from 'core/themes/classy/templates/field/field--node--created.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-download-counter--recurso-indexado.html.twig * field--node--field-download-counter.html.twig * field--node--recurso-indexado.html.twig * field--field-download-counter.html.twig * field--integer.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div content="54" class="field field--name-field-download-counter field--type-integer field--label-hidden field__item">54descargas</div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-preview--recurso-indexado.html.twig * field--node--field-preview.html.twig * field--node--recurso-indexado.html.twig * field--field-preview.html.twig * field--image.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div class="field field--name-field-preview field--type-image field--label-hidden field__items"> <div class="field__item"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'image_formatter' --> <!-- BEGIN OUTPUT from 'themes/prometeo_david/templates/field/image-formatter.html.twig' --> <a href="/repositorio/node/2037" width="" height=""> <!-- THEME DEBUG --> <!-- THEME HOOK: 'image' --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/image.html.twig' --> <img width="" height="" src="/repositorio/sites/default/files/recursos/importados//imported/2032/_Un_151_OperacionesAritmeticasEnOtrasBases.zip_icono.svg" alt="Logo Sumando y restando en otras bases" typeof="foaf:Image" /> <!-- END OUTPUT from 'core/themes/classy/templates/field/image.html.twig' --> </a> <!-- END OUTPUT from 'themes/prometeo_david/templates/field/image-formatter.html.twig' --> </div> <div class="field__item"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'image_formatter' --> <!-- BEGIN OUTPUT from 'themes/prometeo_david/templates/field/image-formatter.html.twig' --> <a href="/repositorio/node/2037"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'image' --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/image.html.twig' --> <img src="/repositorio/sites/default/files/recursos/importados//imported/2032/_Un_151_OperacionesAritmeticasEnOtrasBases.zip_icono01.png" width="978" height="638" alt="Logo Sumando y restando en otras bases" typeof="foaf:Image" /> <!-- END OUTPUT from 'core/themes/classy/templates/field/image.html.twig' --> </a> <!-- END OUTPUT from 'themes/prometeo_david/templates/field/image-formatter.html.twig' --> </div> <div class="field__item"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'image_formatter' --> <!-- BEGIN OUTPUT from 'themes/prometeo_david/templates/field/image-formatter.html.twig' --> <a href="/repositorio/node/2037"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'image' --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/image.html.twig' --> <img src="/repositorio/sites/default/files/recursos/importados//imported/2032/_Un_151_OperacionesAritmeticasEnOtrasBases.zip_icono02.png" width="978" height="638" alt="Logo Sumando y restando en otras bases" typeof="foaf:Image" /> <!-- END OUTPUT from 'core/themes/classy/templates/field/image.html.twig' --> </a> <!-- END OUTPUT from 'themes/prometeo_david/templates/field/image-formatter.html.twig' --> </div> </div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--body--recurso-indexado.html.twig * field--node--body.html.twig * field--node--recurso-indexado.html.twig * field--body.html.twig x field--text-with-summary.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field--text-with-summary.html.twig' --> <div class="clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item"><p>Sumas y restas en binario y hexadecimal. Lección sobre el procedimiento de suma y resta en bases binaria y hexadecimal, y ejemplos de productos en hexadecimal.</p></div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field--text-with-summary.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-proyecto--recurso-indexado.html.twig * field--node--field-proyecto.html.twig * field--node--recurso-indexado.html.twig * field--field-proyecto.html.twig * field--entity-reference.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div class="field field--name-field-proyecto field--type-entity-reference field--label-inline clearfix"> <div class="field__label">Proyecto</div> <div class="field__item"><a href="/repositorio/node/2032" hreflang="es">Adaptación de unidades didácticas interactivas para su funcionamiento en celulares</a></div> </div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-tags--recurso-indexado.html.twig * field--node--field-tags.html.twig * field--node--recurso-indexado.html.twig * field--field-tags.html.twig * field--entity-reference.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div class="field field--name-field-tags field--type-entity-reference field--label-inline clearfix"> <div class="field__label">Palabras clave</div> <div class="field__items"> <div class="field__item"><a href="/repositorio/taxonomy/term/1022" hreflang="es">Cambio de base</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/463" hreflang="es">base</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/349" hreflang="es">decimal</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/1023" hreflang="es">binario</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/1024" hreflang="es">binaria</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/1025" hreflang="es">hexadecimal</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/1026" hreflang="es">hex</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/1027" hreflang="es">base 2</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/1028" hreflang="es">base 10</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/1029" hreflang="es">base 16</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/1030" hreflang="es">código</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/392" hreflang="es">suma</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/1031" hreflang="es">acarreo</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/409" hreflang="es">resta</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/1032" hreflang="es">prestado</a></div> <div class="field__item"><a href="/repositorio/taxonomy/term/947" hreflang="es">Unidades</a></div> </div> </div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-zipfile-url--recurso-indexado.html.twig * field--node--field-zipfile-url.html.twig * field--node--recurso-indexado.html.twig * field--field-zipfile-url.html.twig * field--link.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> <div class="field field--name-field-zipfile-url field--type-link field--label-above"> <div class="field__label">Archivo zip</div> <div class="field__item"><a href="http://prometeo.matem.unam.mx/recursos/Licenciatura/UNADM_Adapt/_Un_151_OperacionesAritmeticasEnOtrasBases.zip">_Un_151_OperacionesAritmeticasEnOtrasBases.zip</a></div> </div> <!-- END OUTPUT from 'core/themes/classy/templates/field/field.html.twig' --> Fri, 05 Nov 2021 17:56:10 +0000 jlongi 2037 at http://prometeo.matem.unam.mx/repositorio