<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>6322</termId><termName>TEOREMA DE RIEMANN-ROCH</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>TEOREMA DE RIEMANN-ROCH</termSortkey><termCreatedDate>TEOREMA DE RIEMANN-ROCH</termCreatedDate><termModifiedDate>2015-01-30 07:15:07</termModifiedDate><relation><relationType>BT</relationType><termId>2450</termId><termName>GEOMETRIA ALGEBRAICA</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>38523</termId><termName>FUNCIONES ALGEBRAICAS</termName><termType>PT</termType></relation></term>  </Zthes>