Iyengar, N Ch S N, et. al. <br/><br/>
Discrete mathematics 

 -   Vikas Publishing House Pvt. Ltd., New Delhi  2004 
 - 376 
<br/><br/><label>ISBN: </label>1182 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mathematics - Generalities
<br/><br/><label>Dewey Class. No.: </label>511  IYE-D