WEISSTEIN (Eric W). <br/><br/>
CRC encyclopedia of mathematics: V2.G-O. 

 - 3 
 - Boca Raton  CRC Press  2010 
 - 1473-2786  HB 
 -  2 .
<br/><br/><label>ISBN: </label>9781420072211 
<br/><br/><label>Dewey Class. No.: </label>510.3 WEIE