Kenneth Ross , Charles Wright <br/><br/>
Discrete Mathematics  -   5th edition 

 - 5th 
 - USA  Pearson  2003. 
 - 612;p 
<br/><br/><label>ISBN: </label>0-13-065247-4 
<br/><br/><label>Dewey Class. No.: </label>511  / ROS