Welsh D J A Ed. <br/><br/>
Proceeding on Combinatorial mathematics and applications 

 -  1971 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>93 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial theory
<br/><br/><label>Dewey Class. No.: </label>B217p1,N69, L1