Iyengar, N. Ch. S. Narayana <br/><br/>
Discrete Mathematics 

 - New Delhi :  Vikas Publishing House Pvt Ltd,  c2003. 
 - xiv, 376 p.:  [A1] 
<br/><br/><label>ISBN: </label>8125913629 
<br/><br/><label>Dewey Class. No.: </label>511.3  / IYE/DIS