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  <titleInfo>
    <title>Nonlinear differential equations</title>
    <subTitle>invariance, stability and bifurcation</subTitle>
  </titleInfo>
  <name type="personal">
    <namePart>Mottoni, Piero; Salvadori, Luigi De.</namePart>
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    <place>
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    <publisher>Academic Press Inc.,U.S.</publisher>
    <dateIssued>1981</dateIssued>
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  <physicalDescription>
    <extent>1 v. (unpaged)</extent>
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  <note type="statement of responsibility">Piero; Salvadori, Luigi De Mottoni.</note>
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