Lipschutz, Seymour. <br/><br/>
2000 solved problems in discrete mathematics   

 - New York :   Mcgraw Hill,   1992. 
<br/><br/><label>ISBN: </label>0071126902 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical Science
<br/><br/><label>Dewey Class. No.: </label>510  / LIP