Niven, Ivan ; Zuckerman, Herbert S & Montgomery, Hugh L <br/><br/>
An Introducation to the theory of numbers 

 - 5th ed 
 - John Wiley & Sons, Inc., New York  1960 
 - Xii,529 
<br/><br/><label>ISBN: </label>0-471-62546-9 
<br/><br/><label>Dewey Class. No.: </label>512.81 Niv