Smith, Donald R <br/><br/>
Variational methods in optimization 

 - New York  Dover Publications  1974 
 - xv, 378p 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0-486-40455-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variations<br/>Mathematics<br/>Optimization (mathematical)