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<top_article>
 <mrnumber>MR0141843</mrnumber>
 <author>Sibuya, Yasutaka</author>
 <author_utf8>Yasutaka SIBUYA</author_utf8>
 <title>Formal solutions of a linear ordinary differential equation of               the {$n$}th order at a turning point</title>
 <journal>Funkcialaj Ekvacioj. Serio Internacia</journal>
 <volume>4</volume>
 <year>1962</year>
 <page>115--139</page>
 <url_pdf>http://fe.math.kobe-u.ac.jp/FE/Free/vol04/fe04-5.pdf</url_pdf>
 <url_infty_pdf>http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE01-10-en_KML/fe04-115-139/fe04-115-139.pdf</url_infty_pdf>
 <mathsci_link> http://www.ams.org/mathscinet-getitem?mr=MR0141843</mathsci_link>
<fesi_info>
  <FILE>fe04-115-139</FILE>
  <YEAR>1962</YEAR>
  <TITLE>Formal Solutions of a Linear Ordinary Differential Equation of the $n$th Order at a Turning Point</TITLE>
  <AUTHOR>SIBUYA, Yasutaka</AUTHOR>
  <AUTHOR_utf8>SIBUYA, Yasutaka</AUTHOR_utf8>
</fesi_info>

<references>
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    <year>1955</year>
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  </article>

  <other>
    <bibitem>1</bibitem>
    <raw_data>Philipson, L. L., The asymptotic character of the solutions of a class of ordinary linear  differential equations depending on a parameter, Dissertation, Univ. of Calif., Los Angeles, 1954</raw_data>
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  </other>

  <article>
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    <author>Rabenstein, A. L.</author>
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  </article>

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<feart>0141853</feart>
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  </fearticle>

  <article>
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    <author>Turrittin, H. L.</author>
    <title>Asymptotic expansions of solutions of systems of ordinary linear  differential equations containing a parameter</title>
    <journal>Cont. Theory of Nonlinear Oscillations II</journal>
    <year>1952</year>
    <page>81-116</page>
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  </article>

  <article>
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    <author>Wasow, W.</author>
    <title>The complex asymptotic theory of a fourth order differential equation of  hydrodynamics</title>
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  </article>

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    <author>Wasow, W.</author>
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    <page>195--202</page>
  </article>

</references>
</top_article>
