Milyutin, A.A. <br/><br/>
Calculus of variations and optimal control   
by A.A. Milyutin, N.P. Osmolovskii 
 - Providence  AMS  1998 
 - Translations of mathematical monographs  vol.180 .
<br/><br/><label>ISBN: </label>0821807536 
<br/><br/><label>Dewey Class. No.: </label>515.64  / N983