Niven, Ivan, et al <br/><br/>
Introduction to the theory of numbers   
by Ivan Niven et al 
 - 5th ed 
 - New Delhi  Wiley  1991 
 - xiii,529p 
<br/><br/><label>ISBN: </label>9788126518111 
<br/><br/><label>Dewey Class. No.: </label>512.7  / N912 (UG)ML