Ryser H J <br/><br/>
Combinatorial mathematics 
Ryser H J 
 -  1963 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>64872 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial maths
<br/><br/><label>Dewey Class. No.: </label>B217, K3