Niven, Ivan,  1915-1999 <br/><br/>
Mathematics of choice or how to count without counting / 
By Ivan niven 
 - 202 páginas 
 - New mathematical library ;  15 .
<br/><br/><label>ISBN: </label>0883856158 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Análisis combinatorio
<br/><br/><label>LC Class. No.: </label>QA164  / N58