Dorofeev, G. V.   (Georgiĭ Vladimirovich), 1938-2008 <br/><br/>
Elementary mathematics : selected topics and problem solving 

 -  1973 
 - 488  PC  22cm 
<br/><br/><label>ISBN: </label>9788123908427 
<br/><br/><label>Dewey Class. No.: </label>511DOR1973