<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>4943</termId><termName>DISPERSION (MATEMATICAS)</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>DISPERSION (MATEMATICAS)</termSortkey><termCreatedDate>DISPERSION (MATEMATICAS)</termCreatedDate><termModifiedDate>2015-02-23 05:13:07</termModifiedDate><relation><relationType>UF</relationType><termId>33978</termId><termName>Teoría de dispersión (Matemáticas)</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>4942</termId><termName>ECUACIONES DIFERENCIALES PARCIALES</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>33950</termId><termName>OPERADOR DE DISPERSION</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>6898</termId><termName>PROBLEMAS DE VALOR LIMITE</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>33977</termId><termName>TRANSFORMADA DE DISPERSION INVERSA</termName><termType>PT</termType></relation></term>  </Zthes>