Kheyfits, Alexander <br/><br/>
A primer in combinatorics  / 

 - New York:  Walter de Gruyter,  2010 
 - x, 323p. Bibl. Index 
<br/><br/> De Gruyter Textbook 
<br/><br/><label>ISBN: </label>9783110226737 
<br/><br/><label>Dewey Class. No.: </label>511.6  / K45.PC