Wan, Frederic Y. M. <br/><br/>
Introduction to the calculus of variations and its applications / 
Frederic Y.M. Wan. 
 - New York :  Chapman & Hall,  1995. 
 - xviii, 638 p. 
<br/><br/><label>ISBN: </label>0412051419 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variations.