Niven, Ivan  <br/><br/>
An introduction to the theory of numbers /  
Ivan Niven, Herbert S. Zuckerman and Hugh L. Montgomery 
 - 5th ed. 
 - New York :   Wiley,   1991. 
 - xiii, 529 p. :  ill. ;  24 cm. 
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>0471625469 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory
<br/><br/><label>Dewey Class. No.: </label>512.7