Ryser, Herbert John.  <br/><br/>
Combinatorial mathematics /  
Herbert John Ryser. 
 - America :   Mathematical Association of America,  c 1963. 
 - xiv, 154 p. ;   19 cm. 
 - The Carus Mathematical Monographs. .
<br/><br/> Includes index. 
<br/><br/>330  330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis.
<br/><br/><label>Dewey Class. No.: </label>512 / R989c