<!DOCTYPE article
PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.4 20190208//EN"
       "JATS-journalpublishing1.dtd">
<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" article-type="research-article" dtd-version="1.4" xml:lang="en">
 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Bulletin of Bryansk state technical university</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Bulletin of Bryansk state technical university</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Вестник Брянского государственного технического университета</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">1999-8775</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">14319</article-id>
   <article-id pub-id-type="doi">10.12737/23145</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Вычислительная техника и информационные технологии</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Computer engineering and information technology</subject>
    </subj-group>
    <subj-group>
     <subject>Вычислительная техника и информационные технологии</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Periodic solutions of a quasilinear wave equations with variable coefficients.</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>ПЕРИОДИЧЕСКИЕ РЕШЕНИЯ КВАЗИЛИНЕЙНОГО ВОЛНОВОГО  УРАВНЕНИЯ С ПЕРЕМЕННЫМИ КОЭФФИЦИЕНТАМИ</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Рудаков</surname>
       <given-names>Игорь Алексеевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Rudakov</surname>
       <given-names>Igor Алексеевич</given-names>
      </name>
     </name-alternatives>
     <email>rudakov_ia@mail.ru.</email>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Лукавый</surname>
       <given-names>Алексей Петрович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Lukavyy</surname>
       <given-names>Aleksey Петрович</given-names>
      </name>
     </name-alternatives>
     <email>lukavyap@mail.ru.</email>
    </contrib>
   </contrib-group>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2016-12-06T00:00:00+03:00">
    <day>06</day>
    <month>12</month>
    <year>2016</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2016-12-06T00:00:00+03:00">
    <day>06</day>
    <month>12</month>
    <year>2016</year>
   </pub-date>
   <volume>2014</volume>
   <issue>3</issue>
   <fpage>147</fpage>
   <lpage>155</lpage>
   <self-uri xlink:href="https://bstu.editorum.ru/en/nauka/article/14319/view">https://bstu.editorum.ru/en/nauka/article/14319/view</self-uri>
   <abstract xml:lang="ru">
    <p>Доказаны теоремы существования периодических по времени решений  квазилинейного волнового уравнения с непостоянными коэффициентами и однородными граничными условиями, одно из которых является условием Неймана.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>We prove existence theorem for periodic in time solutions of quasilinear wave level of variable coefficients and homogeneous boundary conditions, one of which is a Neumann condition.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>волновое уравнение</kwd>
    <kwd>периодические решения</kwd>
    <kwd>задача Штурма-Лиувилля</kwd>
    <kwd>ряд Фурье.</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>wave equation</kwd>
    <kwd>periodic solution</kwd>
    <kwd>sturm-liouville</kwd>
    <kwd>fourier series.</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
 </body>
 <back>
  <ref-list>
   <ref id="B1">
    <label>1.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Barby, V. Periodic solutions to nonlinear one dimensional wave equation with  x - dependent coefficients/ V. Barby, N. H. Pavel // Trans. Amer. Math. Soc.-1997.-V. 349. - № 5.- P. 2035-2048.</mixed-citation>
     <mixed-citation xml:lang="en">Barby, V. Periodic solutions to nonlinear one dimensional wave equation with  x - dependent coefficients/ V. Barby, N. H. Pavel // Trans. Amer. Math. Soc.-1997.-V. 349. - № 5.- P. 2035-2048.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B2">
    <label>2.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Rabinowitz, P. Free vibration for a semilinear wave equation/ P. Rabinowitz//Comm. Pure Aple. Math.-1978.- V. 31.- № 1.- P. 31-68.</mixed-citation>
     <mixed-citation xml:lang="en">Rabinowitz, P. Free vibration for a semilinear wave equation/ P. Rabinowitz//Comm. Pure Aple. Math.-1978.- V. 31.- № 1.- P. 31-68.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B3">
    <label>3.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Bahri, А. Periodic solutions of a nonlinear wave equation/A. Bahri, H. Brezis// Proc. Roy. Soc. Edinburgh Sect. A. - 1980.- V. 85. - P. 3130-320.</mixed-citation>
     <mixed-citation xml:lang="en">Bahri, А. Periodic solutions of a nonlinear wave equation/A. Bahri, H. Brezis// Proc. Roy. Soc. Edinburgh Sect. A. - 1980.- V. 85. - P. 3130-320.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B4">
    <label>4.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Brezis, H. Forced vibration for a nonlinear wave equations/ H. Brezis, L. Nirenberg //Comm. Pure Aple. Math.-1978. - V. 31.  - № 1.- P. 1-30.</mixed-citation>
     <mixed-citation xml:lang="en">Brezis, H. Forced vibration for a nonlinear wave equations/ H. Brezis, L. Nirenberg //Comm. Pure Aple. Math.-1978. - V. 31.  - № 1.- P. 1-30.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B5">
    <label>5.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Плотников, П. И. Существование счетного множества периодических решений задачи о вынужденных колебаниях для слабо нелинейного волнового уравнения/П. И. Плотников// Математический сборник. -1988.-Т. 136(178).-  № 4(8). - С. 546-560.</mixed-citation>
     <mixed-citation xml:lang="en">Plotnikov, P. I. Existence of a countable set of periodic solutions of the forced vibration problem for the weakly nonlinear wave equation / P. I. Plotnikov // Mathematical Proceeding.-1988. - Vol. 136(178).-No. 4(8). - pp. 546-560.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B6">
    <label>6.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Feireisl, E. On the existence of periodic solutions of a semilinear wave equation with a superlinear forcing term/ E. Feireisl //Chechosl. Math. J.- 1988.-V. 38.- № 1.- P.- 78-87.</mixed-citation>
     <mixed-citation xml:lang="en">Feireisl, E. On the existence of periodic solutions of a semilinear wave equation with a superlinear forcing term/ E. Feireisl //Chechosl. Math. J.- 1988.-V. 38.- № 1.- P.- 78-87.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B7">
    <label>7.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Рудаков, И.А. Нелинейные колебания струны/ И.А. Рудаков//Вестн. МГУ. Сер. 1, матем., мех. - 1984.- № 2. - С. 9-13.</mixed-citation>
     <mixed-citation xml:lang="en">Rudakov, I.A. Nonlinear string oscillations / I.A. Rudakov // Bulletin of MSU. Ser. 1, math., mech. - 1984. - No. 2. - pp. 9-13.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B8">
    <label>8.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Рудаков, И. А. Периодические  решения нелинейного волнового уравнения с непостоянными коэффици-ентами/ И. А. Рудаков //Математические  заметки. -2004. -Т. 76. - Вып. 3. - С. 427-438.</mixed-citation>
     <mixed-citation xml:lang="en">Rudakov, I. A. Periodic solutions of the nonlinear wave equation with nonconstant coefficients/ I. A. Rudakov // Mathematical notes.-2004. - Vol. 76. - Issue 3. - pp. 427-438.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B9">
    <label>9.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Shuguan,  J. Time periodic solutions to a nonlinear wave equation with  - dependet coefficients/ J. Shu-guan//Calc. Var. -2008.-V. 32. - P. 137-153.</mixed-citation>
     <mixed-citation xml:lang="en">Shuguan,  J. Time periodic solutions to a nonlinear wave equation with  - dependet coefficients/ J. Shu-guan//Calc. Var. -2008.-V. 32. - P. 137-153.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B10">
    <label>10.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Рудаков, И.А. Периодические решения квазилинейного волнового уравнения с переменными коэффици-ентами/ И.А. Рудаков //Математический сборник. -2007.-Т. 198.-  № 4(8). - С. 546-560.</mixed-citation>
     <mixed-citation xml:lang="en">Rudakov, I.A. Periodic solutions of a quasilinear wave equations with variable coefficients/ I. A. Rudakov // Mathematical Proceeding.-2007. - Vol. 198. - No. 4(8). - pp. 546-560.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B11">
    <label>11.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Трикоми, Ф. Дифференциальные уравнения/ Ф.Трикоми. - М.: УРСС, 2003.-351 с.</mixed-citation>
     <mixed-citation xml:lang="en">Trikomi, T. Differential equations / F.Trikomi. - M.: URSS, 2003.-351 p.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B12">
    <label>12.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Бабич, В.М. Ортогональные разложения и метод Фурье/ В.М. Бабич, Н.С. Григорьева. - Л.: Изд-во ЛГУ, 1983. - 239 с.</mixed-citation>
     <mixed-citation xml:lang="en">Babich, V. M. Orthogonal decomposition and the Fourier method / V. M. Babich, N. S. Grigorieva. - L.: Publishing House of LSU, 1983. - 239 p.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B13">
    <label>13.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Рудаков, И.А. Нелинейные уравнения, удовлетворяющие  условию нерезонансности/ И.А. Рудаков // Труды Семинара им. И.Г. Петровского. -2006. - Вып. 25. - С. 226-243.</mixed-citation>
     <mixed-citation xml:lang="en">Rudakov, I.A. Nonlinear equations satisfying a non-resonance condition / I.A. Rudakov // Proceedings of the Seminar named after I. G. Petrovsky.-2006. - Issue 25. - pp. 226-243.</mixed-citation>
    </citation-alternatives>
   </ref>
   <ref id="B14">
    <label>14.</label>
    <citation-alternatives>
     <mixed-citation xml:lang="ru">Рудаков, И.А. Периодические решения нелинейного волнового уравнения с однородными граничными условиями/ И.А. Рудаков //Изв. РАН.-  2006.- № 1. - С. 1-10.</mixed-citation>
     <mixed-citation xml:lang="en">Rudakov, I.A. Periodic solutions of the nonlinear wave equation with homogeneous boundary conditions / I.A. Rudakov // Proceedings of RAS. - 2006. - No. 1. - pp. 1-10.</mixed-citation>
    </citation-alternatives>
   </ref>
  </ref-list>
 </back>
</article>
