Bolker, Ethan D. <br/><br/>
Elementary number theory :  an algebraic approach. 

 - 1st Ed. 
 - New York :  W. A. Benjamin,  1970 [c1969] 
 - xi, 180 p. 
<br/><br/><label>ISBN: </label>0805310185 
<br/><br/><label>Dewey Class. No.: </label>512.81  / BOL