<?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>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2017000400378</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Dynamics of solitons of the nonlinear dispersion Drinfel&#8217;d-Sokolov system by ansatz method and He&#8217;s varitional principle]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tchier]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ragoub]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Baleanu]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Inc]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,King Saud University Department of Mathematics ]]></institution>
<addr-line><![CDATA[Riyadh ]]></addr-line>
<country>Saudi Arabia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Al Yamamah University College of Computers and Information Systems Mathematics Department]]></institution>
<addr-line><![CDATA[Riyadh ]]></addr-line>
<country>Saudi Arabia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Cankaya University Department of Mathematics ]]></institution>
<addr-line><![CDATA[Ankara ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Institute of Space Sciences  ]]></institution>
<addr-line><![CDATA[Magurele ]]></addr-line>
<country>Romania</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Firat University Science Faculty Department of Mathematics]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Turkey</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>63</volume>
<numero>4</numero>
<fpage>378</fpage>
<lpage>385</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2017000400378&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2017000400378&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2017000400378&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[In this article, the exact-special solutions of the nonlinear dispersion Drinfel&#8217;d-Sokolov (shortly D(m, n)) system are analyzed. We use the ansatz approach and the He&#8217;s variational principle for the mentioned equation. The general formulae for the compactons, solitary patterns, solitons and periodic solutions are acquired. These types of solutions are useful and attractive for clarifying some types of nonlinear physical phenomena. These two methods will be used to carry out the integration.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Nonlinear dispersion D(m, n) system]]></kwd>
<kwd lng="en"><![CDATA[ansatz method]]></kwd>
<kwd lng="en"><![CDATA[he&#8217;s variational principle]]></kwd>
<kwd lng="en"><![CDATA[compacton]]></kwd>
</kwd-group>
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