Bogart, Kenneth P. <br/><br/>
Introductory combinatorics / 
Kenneth P. Bogart. 
 - Boston :  Pitman Pub.,  1983. 
 - 388 p. :  ill. ;  25cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatory analysis