"Vatssa, B. S." <br/><br/>
Discrete Mathematics 

 - Third 
 - New Delhi  Wishwa Prakashan  2001 
 - "vii, 273" 
<br/><br/><label>ISBN: </label>8173280134 
<br/><br/><label>Dewey Class. No.: </label>511  / 1 VAT