Liberzon, Daniel  <br/><br/>
Calculus of variations and optimal control theory:   a concise introduction/ 
Daniel Liberzon 
 - Princeton, New Jersey:   Princeton University Press,    c2012. 
 - xv, 235 pages :   illustrations ;   25 cm. 
<br/><br/>Includes index.<br/> 
<br/><br/><label>ISBN: </label>9780691151878 (cb.)