Valentine , Frederick A. <br/><br/>
Convex sets ./ 
Frederick A. Valentine . 
 - New York :  Mcgraw  - hill ,  C 1964 
 - ix , 238p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus .
<br/><br/><label>Dewey Class. No.: </label>517.521 VAC