Dorofeev G et al. <br/><br/>
Elementary Mathematics Selected Topics & Problem solving 

 - 1st 
 -  "CBS Publishers & Distributors,New "  2000 
<br/><br/> YES 
<br/><br/><label>ISBN: </label>81-239-0842-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics Mathematics 
<br/><br/><label>Dewey Class. No.: </label>