Goursat, Edward <br/><br/>
course in mathematical analysis  tr. by Howard G Bergman 

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 - New York  Dover  1964 
 - 3v.   
<br/><br/>  v.3. pt.1. Variation of solution, partial diiferential equation of the second order 
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<br/><br/><label>Subjects--Index Terms: </label>Mathematical analysis  Mathematics  Number theory  Set theory  Group theory  Mathematical sciences  Analysis 
<br/><br/><label>Dewey Class. No.: </label>517