Ed by Benci, V et al <br/><br/>
Variational & topological methods in the study of nonlinear phenomena 
Ed by V. Benci et al 
 - Boston  Birkhauser  2002 
 - 131 
 - PNLDE 49 .
<br/><br/><label>ISBN: </label>9780817642785 
<br/><br/><label>Dewey Class. No.: </label>515.7  / BEN