Young, L.C. <br/><br/>
Lectures on the calculus of variations and optimal control theory  
L.C. Young 
 - Philadelphia   W.B. Saunders   1969 
 - 2v in 1,331p.;26cm. 
<br/><br/> V.2. has subtitle : optional control theory  
<br/><br/><label>Dewey Class. No.: </label>515.64  / YOU