Johnsonbaugh, Richard. <br/><br/>
Discrete mathematics / 
By Richard Johnsonbaugh. 
 - 5th ed. 
 - New Delhi :  Pearson Education ,  2001. 
 - xv,621p. ;  24 cm. 
<br/><br/><label>ISBN: </label>8178082799 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic and proofs<br/>Counting methods and the pigeonhole principle<br/>Recurrence relations
<br/><br/><label>Dewey Class. No.: </label>511.8   / JOHR