Nonsmooth Optimization and Related Topics./Proceedings of the Fourth Course of the International School of Mathematics on.,held June 20-July 1,1988,in Erice,Sicily,Italy / 
Ed. Clarke F.H. 
 - New York :  Plenum Press,  1989. 
 - XI,489 s.,bibliogr. ;  26 cm. 
 - Ettore Majorana International Science Series. Physical Sciences ;  Vol. 43 .
 - Ettore Majorana International Science Series.  Physical Sciences  Vol. 43 .
<br/><br/> ISSN 94 ; 1.  ISBN 0-306-43247-1 
<br/><br/><label>ISBN: </label>0306432471 
<br/><br/><label>ISSN: </label>94 
<br/><br/><label>Universal Decimal Class. No.: </label>519.863(061.3)