Combinatorial mathemathics and its applications :  Proceedings of a conference held at the mathematical institute, oxford, from 7-10 july, 1969 / 
Ed. by d.j.a. welsh. 
 - 354 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinaciones (Matemáticas)
<br/><br/><label>LC Class. No.: </label>QA165  / C64