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

 - New York,  McGraw- Hill, Inc,  c1992. 
 - 404p. ;  ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>978007126908 
<br/><br/><label>LC Class. No.: </label>3490 
<br/><br/><label>Dewey Class. No.: </label>510.76