Phelps, Robert R. <br/><br/>
Convex functions, monotone operators and differentiability / 
by R.R. Phelps. 
 - 2nd ed. 
 - Berlin etc :  Springer,  1993. 
 - IX, 116 p. ;  24 cm. 
 - Lecture notes in mathematics  1364 .
<br/><br/>Index pp. 115-116 
<br/><br/><label>ISBN: </label>3-540-56715-1  0-387-56715-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Convex functions<br/>Monotone operators<br/>Differentiable functions