Rosen, Kenneth H. <br/><br/>
Discrete mathematics and its applications 

 - Third edition 
 - Mcgraw-hill, New York  1994 
 - xxii, 892 
<br/><br/><label>ISBN: </label>0-07-113974-5 
<br/><br/><label>Dewey Class. No.: </label>519.4 Ros