Wiitala, Stephen A. . <br/><br/>
Discrete mathematics: aunified approach /  
Stephen A. Wiitala. 
 - 1st /   . 
 - New York :   McGraw-Hill ,   1987. 
 - 448p. :   illus.,figs.,tables ;   23cm .  
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<br/><br/><label>ISBN: </label>0070701695  USD46.50 
<br/><br/><label>Subjects--Index Terms: </label>MATHEMATICS-1961- 
<br/><br/><label>Dewey Class. No.: </label>510  / WII\/D