Vatssa, B S. <br/><br/>
Discrete mathematics 

 - New Delhi :   Wishwa Prakashan,   1988. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical Science
<br/><br/><label>Dewey Class. No.: </label>510  / VAT