Lipschutz, Seymour and Lipson, Marc Lars <br/><br/>
2000 solved problems in discrete mathematics 

 - Mcgraw-hill, New York  1992 
 - iv, 404 
<br/><br/><label>ISBN: </label>0-07-038031-7 
<br/><br/><label>Dewey Class. No.: </label>519.4 Lip/Lip