Ross, Kenneth A <br/><br/>
Discrete mathematics / 
Kenneth A. Ross, Charles R. B. Wright 
 - 4th ed. 
 - Upper Saddle River, NJ:  Prentice Hall,   1999 
 - xiv, 684 p.:   ill.;   25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0130961418 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science--Mathematics