Krasnov, M. L. <br/><br/>
Problems and exercises in the calculus of variations  / 

 - Moscow:  MIR Publication,  1975 
 - 222p. Index. Bibl. 
<br/><br/> "Translated from the Russian by George Yankovsky" 
<br/><br/><label>Dewey Class. No.: </label>515.64  / K89.PE