Dorofeev, G. <br/><br/>
Elementary mathematics:  selected topics and problem solving/ 
G. Dorofeev, M. Potapov, N. Rozov; translated from the Russian by George Yankovsky. 
 - Moscow:  Mir,  1973. 
 - 488 p.:  ill.;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics---Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>510   / D715e