Control theory and the calculus of variations 
edited by A. V. Balakrishnan 
 - New York :  Academic Press,  1969 
 - 422 p. ; 
<br/><br/><label>ISBN: </label>0120769530 
<br/><br/><label>LCCN: </label>74-091431 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variations--Congresses<br/>Control theory--Congresses