Barbu, Viorel <br/><br/>
Optimal control of Variational ineualities 
/ by Viorel Barbu 
 - London:  Pitman,  1984. 
 - 298p. 
<br/><br/><label>ISBN: </label>0273086294 
<br/><br/><label>Dewey Class. No.: </label>515.64  / BAR/O