Helton, Floyd F.  x <br/><br/>
Introducing mathematics.  x 

 - 2nd ed. 
 - N.Y.  Wiley  1956 
 - xv, 396 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics Mathematics 
<br/><br/><label>Dewey Class. No.: </label>510/HEI