Bliss G.A. <br/><br/>
Lectures on the Calculus of Variations. 
Bliss G.A. 
 - Chicago&London  The University of Chicago Press  1963 
 - 292 p. 
<br/><br/> Phoenix Science Series V.504 
<br/><br/><label>Dewey Class. No.: </label>517.97(07)/Berb.