Cohen, Daniel I. A., <br/><br/>
Basic techniques of combinatorial theory / 
Daniel I.A. Cohen. 
 - New York :  John Wiley,  1978. 
 - x, 297 p. : 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0471035351 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis.
<br/><br/><label>Dewey Class. No.: </label>511.6  / Ba