Hans Sagan <br/><br/>
Introduction to the calculus of variations 

 -  Dover Publcations Inc., New York  1969 
 - 449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variation; Analysis; Mathematics
<br/><br/><label>Dewey Class. No.: </label>PG 515.64  HAN-I