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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Actual directions of scientific researches of the XXI century: theory and practice</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Actual directions of scientific researches of the XXI century: theory and practice</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Актуальные направления научных исследований XXI века: теория и практика</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2308-8877</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">2819</article-id>
   <article-id pub-id-type="doi">10.12737/4709</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Секция: Дифференциальные и интегральные уравнения</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Section: Differential and Integral Equations</subject>
    </subj-group>
    <subj-group>
     <subject>Секция: Дифференциальные и интегральные уравнения</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Free van der pol equation</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Свободное уравнение Ван Дер Поля</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Зуев</surname>
       <given-names>Сергей Васильевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Zuev</surname>
       <given-names>S. Vasil'evich</given-names>
      </name>
     </name-alternatives>
     <email>sergey.zuev@bk.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Южно-Уральский государственный университет  (национальный исследовательский университет)</institution>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">South Ural State University (national research university)</institution>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2014-10-09T00:00:00+04:00">
    <day>09</day>
    <month>10</month>
    <year>2014</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2014-10-09T00:00:00+04:00">
    <day>09</day>
    <month>10</month>
    <year>2014</year>
   </pub-date>
   <volume>2</volume>
   <issue>4</issue>
   <fpage>86</fpage>
   <lpage>88</lpage>
   <self-uri xlink:href="https://naukaru.ru/en/nauka/article/2819/view">https://naukaru.ru/en/nauka/article/2819/view</self-uri>
   <abstract xml:lang="ru">
    <p>Получено общее решение свободного уравнения ван дер Поля.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The general solution of the free van der Pol equation is given.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>свободное уравнение Ван дер Поля</kwd>
    <kwd>нелинейные динамические системы</kwd>
    <kwd>простейшие системы с динамическим хаосом</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>free Van der Pol equation</kwd>
    <kwd>nonlinear dynamical systems</kwd>
    <kwd>the simplest systems with dynamical chaos</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p>Классическое уравнение ван дер Поля [4] имеет следующий вид: хΧ-λ(1-х2)х+ω2х=0.</p>
 </body>
 <back>
  <ref-list>
   <ref id="B1">
    <label>1.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Kaplan, D. and Glass, L., Understanding Nonlinear Dynamics, Springer, 240-244, (1995).</mixed-citation>
     <mixed-citation xml:lang="en">Kaplan, D. and Glass, L., Understanding Nonlinear Dynamics, Springer, 240-244, (1995).</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B2">
    <label>2.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Grimshaw, R., Nonlinear ordinary differential equations, CRC Press, 153-163, (1993), ISBN 0-8493-8607-1.</mixed-citation>
     <mixed-citation xml:lang="en">Grimshaw, R., Nonlinear ordinary differential equations, CRC Press, 153-163, (1993), ISBN 0-8493-8607-1.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B3">
    <label>3.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Supriya Mukherjee, Solution of the Duffing-van der Pol oscillator equation by a differential transform method, 2011 Phys. Scr. 83 015006.</mixed-citation>
     <mixed-citation xml:lang="en">Supriya Mukherjee, Solution of the Duffing-van der Pol oscillator equation by a differential transform method, 2011 Phys. Scr. 83 015006.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B4">
    <label>4.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Van dеr Роl В., &amp;#34;Phil. Mag.&amp;#34;, 1922, ser. 6, v. 43, p. 700-19; 1926, ser. 7, v. 2, p. 978-92.</mixed-citation>
     <mixed-citation xml:lang="en">Van der Rol V., &amp;#34;Phil. Mag.&amp;#34;, 1922, ser. 6, v. 43, p. 700-19; 1926, ser. 7, v. 2, p. 978-92.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B5">
    <label>5.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">B. van der Pol, On “Relaxation Oscillations” I, Phil. Mag., 2 (1926), pp. 978-992.</mixed-citation>
     <mixed-citation xml:lang="en">B. van der Pol, On “Relaxation Oscillations” I, Phil. Mag., 2 (1926), pp. 978-992.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B6">
    <label>6.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Каток А.Б., Хасселблат Б. Введение в современную теорию динамических систем = Introduction to the Modern Theory of Dynamical Systems / пер. с англ. А. Кононенко при участии С. Ферлегера. - М.: Факториал, 1999. - С. 455. - 768 с. - ISBN 5-88688-042-9.</mixed-citation>
     <mixed-citation xml:lang="en">Katok A.B., Khasselblat B. Vvedenie v sovremennuyu teoriyu dinamicheskikh sistem = Introduction to the Modern Theory of Dynamical Systems / per. s angl. A. Kononenko pri uchastii S. Ferlegera. - M.: Faktorial, 1999. - S. 455. - 768 s. - ISBN 5-88688-042-9.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B7">
    <label>7.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">B. van der Pol, On “Relaxation Oscillations” I, Phil. Mag., 2 (1926), pp. 978-992.</mixed-citation>
     <mixed-citation xml:lang="en">B. van der Pol, On “Relaxation Oscillations” I, Phil. Mag., 2 (1926), pp. 978-992.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B8">
    <label>8.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Eckart, C.; Young, G. (1936). &amp;#34;The approximation of one matrix by another of lower rank&amp;#34;. Psychometrika 1 (3): 211-8. doi:10.1007/BF02288367.</mixed-citation>
     <mixed-citation xml:lang="en">Eckart, C.; Young, G. (1936). &amp;#34;The approximation of one matrix by another of lower rank&amp;#34;. Psychometrika 1 (3): 211-8. doi:10.1007/BF02288367.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B9">
    <label>9.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">B. van der Pol and J. van der Mark, “Frequency demultiplication”, Nature, 120 (1927), pp. 363-364.</mixed-citation>
     <mixed-citation xml:lang="en">B. van der Pol and J. van der Mark, “Frequency demultiplication”, Nature, 120 (1927), pp. 363-364.</mixed-citation>
    </citation-alternatives>
   </ref>
  </ref-list>
 </back>
</article>
