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

 - New York :   McGraw-Hill,   ©1995. 
 - 	xxii, [842] pages   : illustrations ;   25 cm. 
<br/><br/><label>ISBN: </label>0070681880 
<br/><br/><label>Nat. Bib. No.: </label>511 ROS 1995