Fox, Charles <br/><br/>
Introduction to the calculus of variations 

 - New York  Dover  1987 
 - viii, 271p.  
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>486654990 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus -- <br/>First and Second variations<br/>Hilrbert's integral<br/>Integrals -- <br/>Mathematics<br/>Variations (Calculus)<br/>Weierstrassian E function