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 ; translated by John Maykovich. 
 - 3rd ed / rev. and edited by Irving Sussman 
 - New York:  Dover,  1993. 
 - xvi, 452 p.:  ill.;  22 cm. 
<br/><br/><label>ISBN: </label>0486277097 
<br/><br/><label>LCCN: </label>93011553 //r932 
<br/><br/><label>Nat. Bib. No.: </label>GB94-39841 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics---Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>510.79  / S558u