Shklarsky, D. O.  1918-1942. <br/><br/>
The USSR olympiad problem book :  selected problems and theorems of elementary mathematics / 
D. O. Shklarsky, N. N. Chentzov, I. M. Yaglom, revised and edited by Irving Sussman, translated by John Maykovich. 
 - San Francisco :  Freeman,  1962. 
 - 452 p. :  ill. 
 - A Series of books in mathematics .
<br/><br/> Translation of Izbrannye zadachi i teoremy �elementarno�i matematiki, ch. 1. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Problems, exercises, etc.