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

 - New York  McGraw-Hill Inc.,  1992 
 - v,404p.  26 cm. 
 - Schaum's solved problems series .
<br/><br/><label>ISBN: </label>0070380317 
<br/><br/><label>Dewey Class. No.: </label>511.076  / LIP