Dorrie/H/ ww  <br/><br/>
Hundred great problems of elementary mathematics 

 - New York  Dover  1965 
 - 393 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>problems
<br/><br/><label>Dewey Class. No.: </label>510  / DOR