<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>5724</termId><termName>FUNCIONES DE CONCENTRACION</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>FUNCIONES DE CONCENTRACION</termSortkey><termCreatedDate>FUNCIONES DE CONCENTRACION</termCreatedDate><termModifiedDate>2015-02-10 11:40:08</termModifiedDate><relation><relationType>BT</relationType><termId>2157</termId><termName>PROBABILIDADES</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>3069</termId><termName>TEORIA DE LA MEDIDA</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>37262</termId><termName>CONVERGENCIA</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>6209</termId><termName>FUNCIONES DE VARIABLE REAL</termName><termType>PT</termType></relation></term>  </Zthes>