Brualdi, Richard A. <br/><br/>
Introductory combinatorics / 
Richard A. Brualdi 
 - 5th ed. 
 - Upper Saddle River, N.J. :  Pearson/Prentice Hall,  ©2010. 
 - xii, 605 p.  
<br/><br/><label>ISBN: </label>9789353433062 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis<br/>Computer science--Mathematics.
<br/><br/><label>Dewey Class. No.: </label>511.6  / BruI5