Graham,R. L. <br/><br/>
Handbook of combinatorics.  Volume  1, volume volume i / 
R. L.Graham, 
 - [S.l.] :  North Holland,  1995. 
 - 1120 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>0444823468 9780444823465 
<br/><br/><label>Dewey Class. No.: </label>511.6