Webster, Roger <br/><br/>
Convexity 
Roger  Webster 
 - Oxford,   New York,  Tokyo  Oxford University Press  1994 
 -  24 cm 
<br/><br/><br/>eng 
<br/><br/><label>Standard No.: </label> QA640 
<br/><br/><label>Dewey Class. No.: </label>516.08