Sagan, Hans. <br/><br/>
Introduction to the calculus of variations / 
Hans Sagan. 
 - New York :  McGraw-Hill,  1969. 
 - xvi, 449 p. : 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1885 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variations.
<br/><br/><label>Dewey Class. No.: </label>515.64  / In