Weinstock, Robert <br/><br/>
Calculus of variations : with applications to physics and engineering 

 - New York  Dover Publications  1974 
 - x, 326p.   
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780486630694 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus variations<br/>Elasticity theory<br/>Geometrical optics<br/>Mathematical application  Physics<br/>Physics  Mathematical applications<br/>Quantum mechanics -- Mathematical application