Niven, Ivan Morton,  1915- <br/><br/>
Mathematics of choice:  or, How to count without counting/ 
by Ivan Niven. 
 - [New York]:  Random House,  1965. 
 - xi, 202 p.:  illus.,  23 cm. 
 - New mathematical library.  15 .
<br/><br/>Bibliography: p. [199] 
<br/><br/><label>ISBN: </label>0883856158 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis.
<br/><br/><label>Dewey Class. No.: </label>511.6  / N734m