Niven, Ivan <br/><br/>
Introduction to Theory of Numbers 

 - 5th ed. 
 - Singapore  John Wiley & Sons.,  1991 
 - xiii,529p.  26 cm. PB 
<br/><br/><label>ISBN: </label>9971513013 
<br/><br/><label>Dewey Class. No.: </label>512.7  / NIV