Gelfand, I. M., Au. <br/><br/>
Calculus of variations 

 - New Jersey  Printice-Hall  1963 
 - vii,232p.  23cm 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Calculus<br/>Calculus of variations
<br/><br/><label>Dewey Class. No.: </label>515.64  / G25C