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

 - 2nd ed. 
 - New York   Cambridge University Press  2012 
 - xiii, 626p. 
 - Cambridge studies in advanced mathematics, 49 .
<br/><br/><label>ISBN: </label>9781107602625 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial enumeration problems
<br/><br/><label>Dewey Class. No.: </label>511.62 STA/E