Gelfand, I. M. <br/><br/>
Calculus of variations 

 - New York :  Dover Publications,  ©2000. 
 - vii, 232 p. :  ill. ;  22 cm (Paperback) 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780486322582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variations.
<br/><br/><label>Dewey Class. No.: </label>517.4  / GEL / B