Giles, John R. <br/><br/>
Convex analysis with application in the differentiation of convex functions  / 

 - Boston:  Pitman,  1982 
 - x, 278p. Index 
 - Research notes in Mathematics   v. 58 .
<br/><br/><label>Dewey Class. No.: </label>515.7  / G472.CA