Vilenkin, N.  <br/><br/>
Combinatorial mathematics for recreation / 
N. Vilenkin ; translated from the Russian by George Yankovsky. 
 - Moscow :  Mir,  1972. 
 - 207 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>310  310 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510 / V711c