Courant, R. <br/><br/>
Calculus of variations 

 - New York,  Courant Institute of Mathematical Science  [n.d.] 
 - v, 281 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variations
<br/><br/><label>Dewey Class. No.: </label>515.64  / COU