Dorofeev, G. <br/><br/>
Elementary mathematics  selected topics and problem solving 

 - New Delhi  CBS publishers  1973 
 - 488p.  23cm. 
<br/><br/><label>ISBN: </label>8123908423 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / DOR