Giorgi, G. and others <br/><br/>
Mathematics of optimization  smooth and nonsmooth case 

 - Amsterdam  Elsevier  2004 
 - xv, 598p. Bibl. Index. 
<br/><br/>  
<br/><br/><label>ISBN: </label>0444505504 
<br/><br/><label>Dewey Class. No.: </label>519.91  / G498.MO