Hafstrom, John Edward <br/><br/>
Basic concepts in modern mathematics / 
by John E. Hafstrom 
 - Reading, Mass. :  Addison-Wesley,  1961 
 - x, 195 p. :  ill. ;  24 cm. 
<br/><br/><label>LCCN: </label>61-07752 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra