Smith, Peter <br/><br/>
Convexity methods in variational calculus 

 - Litchworth  RSP  1985 
 - x, 2220p., 23 cm. 
<br/><br/><label>ISBN: </label>086380022X 
<br/><br/><label>Dewey Class. No.: </label>515.64,  / DD, Smi