Merris,  Russell <br/><br/>
Combinatorics   / 

 - 2nd 
 - New York:  John Wiley,  2013 
 - xi, 556p. Bibl. Index 
 - Wiley-Interscience series in discrete mathematics and optimization .
<br/><br/><label>ISBN: </label>9788126537617 
<br/><br/><label>Dewey Class. No.: </label>511.6  / M571.C