Gossez, J P <br/><br/>
Nonlinear Operators and the calculations of variations 

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 - Berlin  Springer-Verlag  1976 
 - 237 p.   
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<br/><br/><label>Subjects--Index Terms: </label>Functional analysis  operator theory  Mathematics  Number theory  Set theory  Group theory  Mathematical sciences 
<br/><br/><label>Dewey Class. No.: </label>517.988.5