Lipschutz, Seymour. <br/><br/>
Schaum's outline of theory and problems of discrete mathematics / 
by Seymour Lipschutz 
 - New York :  McGraw-Hill,  c1976 
 - 249 s. :  ill. 
 - Schaum's outline series .
<br/><br/><label>ISBN: </label>0-07-037981-5 
<br/><br/><label>LC Class. No.: </label>QA 
<br/><br/><label>Dewey Class. No.: </label>510 511