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<top_article>
 <mrnumber>MR1341741</mrnumber>
 <author>D'Ancona, Piero</author>
 <author_utf8>Piero D'ANCONA</author_utf8>
 <title>On weakly hyperbolic equations in Hilbert spaces</title>
 <journal>Funkcialaj Ekvacioj. Serio Internacia</journal>
 <volume>38</volume>
 <year>1995</year>
 <page>159--177</page>
 <url_pdf>http://fe.math.kobe-u.ac.jp/FE/Free/vol38/fe38-1-10.pdf</url_pdf>
 <url_infty_pdf>http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE35-40-en_KML/fe38-159-177/fe38-159-177.pdf</url_infty_pdf>
 <mathsci_link> http://www.ams.org/mathscinet-getitem?mr=MR1341741</mathsci_link>
<fesi_info>
  <FILE>fe38-159-177</FILE>
  <YEAR>1995</YEAR>
  <TITLE>On Weakly Hyperbolic Equations in Hilbert Spaces</TITLE>
  <AUTHOR>D'ANCONA, Piero</AUTHOR>
  <AUTHOR_utf8>D'ANCONA, Piero</AUTHOR_utf8>
</fesi_info>

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</references>
</top_article>
