Riordan John <br/><br/>
Introduction to combinatorial analysis 
Riordan John 
 -  1958 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>25926 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B281, J8