<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>4138</termId><termName>MATEMATICAS</termName><termType>PT</termType><termLanguage>es</termLanguage><termVocabulary>Vocabulario de la Biblioteca Central de la FFyL</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>MATEMATICAS</termSortkey><termNote label="Source"><![CDATA[ <p>Thesauro de la UNESCO<a href="&lt;http:/databases.unesco.org&gt;">&lt;http://databases.unesco.org/&gt;</a>   Consultado: 16 octubre 2009</p> ]]></termNote><termCreatedDate>2009-04-29 11:03:54</termCreatedDate><relation><relationType>BT</relationType><termId>2505</termId><termName>CIENCIAS EXACTAS</termName><termType>TT</termType></relation><relation><relationType>NT</relationType><termId>63</termId><termName>ALGEBRA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>64</termId><termName>ALGEBRA DE BOOLE</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>5858</termId><termName>ANALISIS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>96</termId><termName>ANALISIS FACTORIAL</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>6375</termId><termName>ARITMETICA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>3646</termId><termName>ECUACIONES DIFERENCIALES</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>3962</termId><termName>FUNDAMENTOS DE LA MATEMATICA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>2698</termId><termName>GEOMETRIA</termName><termType>PT</termType></relation></term>  </Zthes>