Dorofeev, G. <br/><br/>
Elementary Mathematics:  Selected topics and Problem solving  
G. Dorofeev, M. Potapov and N. Rozov 
 - 1st ed. 
 -  1973 
 - 488p.;  21cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>510  / DOR