Stanley, Richard P.  <br/><br/>
Enumerative combinatorics, vol. 1  

 - 2nd  
 - New York   Cambridge University Press   2012 
 - xiii, 626p. 
 - Cambridge Studies in Advanced Mathematics; vol. 49 .
 - Bollobas, B.  .
<br/><br/><label>ISBN: </label>9781107602625 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial enumeration problems 
<br/><br/><label>Dewey Class. No.: </label>511.6 St251e2