<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-04-17T04:01:53Z</responseDate><request verb="GetRecord" identifier="oai:www.recercat.cat:2117/111091" metadataPrefix="marc">https://recercat.cat/oai/request</request><GetRecord><record><header><identifier>oai:recercat.cat:2117/111091</identifier><datestamp>2025-07-17T03:04:35Z</datestamp><setSpec>com_2072_1033</setSpec><setSpec>col_2072_452950</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
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   <datafield ind2=" " ind1=" " tag="042">
      <subfield code="a">dc</subfield>
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   <datafield ind2=" " ind1=" " tag="720">
      <subfield code="a">Gómez Muntané, Gerard</subfield>
      <subfield code="e">author</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="720">
      <subfield code="a">Noguera Batlle, Miquel</subfield>
      <subfield code="e">author</subfield>
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   <datafield ind2=" " ind1=" " tag="260">
      <subfield code="c">1984</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="520">
      <subfield code="a">In the present paper we give some numerical results about natural families of periodic orbits, which emanate from limiting orbits around equilateral equilibrium points of the Restricted Three Body Problem, when the mass ratio is grater than Routh's critical one.</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="520">
      <subfield code="a">En aquest article es presenten els resultats numèrics obtinguts sobre les famílies naturals d'òrbites periòdiques al voltant del punt L4 del problema restringit circular i la de tres cossos, per a valors del paràmetre de massa superiors a la massa crítica de Routh</subfield>
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      <subfield code="a">Postprint (published version)</subfield>
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   <datafield tag="653" ind2=" " ind1=" ">
      <subfield code="a">Àrees temàtiques de la UPC::Física::Astronomia i astrofísica</subfield>
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   <datafield tag="653" ind2=" " ind1=" ">
      <subfield code="a">Orbital mechanics</subfield>
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   <datafield tag="653" ind2=" " ind1=" ">
      <subfield code="a">Orbits</subfield>
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   <datafield tag="653" ind2=" " ind1=" ">
      <subfield code="a">Mecànica orbital</subfield>
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   <datafield tag="653" ind2=" " ind1=" ">
      <subfield code="a">Òrbites</subfield>
   </datafield>
   <datafield ind2="0" ind1="0" tag="245">
      <subfield code="a">Some manifolds of periodic orbits in the restricted three body problem</subfield>
   </datafield>
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