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 <mrnumber>MR1078128</mrnumber>
 <author>Erbe, Lynn H. and Lu, Hong</author>
 <author_utf8>Lynn H. ERBE and Hong LU</author_utf8>
 <title>Nonoscillation theorems for second order differential               equations</title>
 <journal>Funkcialaj Ekvacioj. Serio Internacia</journal>
 <volume>33</volume>
 <year>1990</year>
 <page>227--244</page>
 <url_pdf>http://fe.math.kobe-u.ac.jp/FE/Free/vol33/fe33-2-2.pdf</url_pdf>
 <url_infty_pdf>http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE31-34-en_KML/fe33-227-244/fe33-227-244.pdf</url_infty_pdf>
 <mathsci_link> http://www.ams.org/mathscinet-getitem?mr=MR1078128</mathsci_link>
<fesi_info>
  <FILE>fe33-227-244</FILE>
  <YEAR>1990</YEAR>
  <TITLE>Nonoscillation Theorems for Second Order Nonlinear Differential Equations</TITLE>
  <AUTHOR>ERBE, Lynn H.; LU, Hong</AUTHOR>
  <AUTHOR_utf8>ERBE, Lynn H.; LU, Hong</AUTHOR_utf8>
</fesi_info>

<references>
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  </article>

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  </article>

  <book>
    <bibitem>12</bibitem>
    <author>Swanson, C. A.</author>
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<feart>0245915</feart>
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  </fearticle>

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    <page>283-309</page>
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    <score>100</score>
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  </article>

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  </article>

</references>
</top_article>
