NAGELL, Trygve <br/><br/>
Introduction to number theory 
by Trygve Nagell 
 - 2nd ed. 
 - New York  Chelsea pub.  1964 
 - 309 p. 
<br/><br/>   <br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory
<br/><br/><label>Dewey Class. No.: </label>512.7  / NAG