Soifer, Alexander <br/><br/>
Geometric etudes in combinatorial mathematics  / 

 - 2nd 
 - New York:  Springer Science+Business Media, Inc.,  2010 
 - xxxv, 261p. Bibl. Index. 
<br/><br/><label>ISBN: </label>9780387754697 
<br/><br/><label>Dewey Class. No.: </label>511.6  / So683.GE