Krechmar V A <br/><br/>
Problem book in algebra 

 - Moscow  Mir Publisher          1974 
 - 504p.  cm. 
<br/><br/><label>Standard No.: </label>21649 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2, L8