Carl, Siegfried <br/><br/>
Nonsmooth Variational Problems and Their Inequalities [electronic resource]   
by Siegfried Carl et.al. 
 - Boston  Springer  2007 
<br/><br/> http://dx.doi.org/10.1007/978-0-387-46252-3 
<br/><br/><label>ISBN: </label>9780387462523 
<br/><br/><label>Dewey Class. No.: </label>515.64  / (e-book)