<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2007-0705</journal-id>
<journal-title><![CDATA[Nova scientia]]></journal-title>
<abbrev-journal-title><![CDATA[Nova scientia]]></abbrev-journal-title>
<issn>2007-0705</issn>
<publisher>
<publisher-name><![CDATA[Universidad de La Salle Bajío A. C., Coordinación de Investigación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-07052017000200902</article-id>
<article-id pub-id-type="doi">10.21640/ns.v9i19.1114</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Comments on &#8220;Asymptotically stable equilibrium points in new chaotic systems&#8221;]]></article-title>
<article-title xml:lang="es"><![CDATA[Comentarios sobre &#8220;Puntos de equilibrio asintóticamente estables en nuevos sistemas caóticos&#8221;]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Algaba]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Sánchez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Merino]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Luis]]></surname>
<given-names><![CDATA[A.J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Huelva Centro de Investigación de Física Teórica y Matemática FIMAT Departamento de Ciencias Integradas]]></institution>
<addr-line><![CDATA[Huelva ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Sevilla E.T.S. Ingenieros Departamento de Matemática Aplicada II]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<volume>9</volume>
<numero>19</numero>
<fpage>902</fpage>
<lpage>905</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-07052017000200902&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-07052017000200902&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-07052017000200902&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In the commented paper ten nonlinear chaotic systems are presented. Authors state that these systems do not exhibit Shilnikov chaos. Unfortunately, this assertion is not correctly proved because they use an erroneous theorem from the literature.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En el trabajo comentado, los autores presentan diez sistemas autónomos no lineales caóticos, de los que afirman que no tienen caos en el sentido de Shilnikov. Desgraciadamente, esta afirmación carece de fundamento pues utilizan un teorema erróneo de la literatura.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[sistemas caóticos]]></kwd>
<kwd lng="es"><![CDATA[equilibrio asintóticamente estable]]></kwd>
<kwd lng="es"><![CDATA[no existencia del caos de Shilnikov]]></kwd>
<kwd lng="es"><![CDATA[exponentes de Lyapunov]]></kwd>
<kwd lng="en"><![CDATA[chaotic systems]]></kwd>
<kwd lng="en"><![CDATA[asymptotically stable equilibrium]]></kwd>
<kwd lng="en"><![CDATA[non-existence of Shilnikov chaos]]></kwd>
<kwd lng="en"><![CDATA[Lyapunov exponents]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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