Ross, Kenneth A. <br/><br/>
Discrete mathematics / 
Kenneth A. Ross [and] Charles  R. B. Wright. 
 - 4th ed. 
 - Upper Saddle River  :  Prentice Hall,  c1999. 
 - xiv, 684 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0130961418 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.<br/>Computer science--Mathematics.