Burton ,David .M. <br/><br/>
Elementary Number Theory  

 - 7th ed 
 - New York  McGraw -Hill  2019 
 - xii, 436p.: 
<br/><br/><label>ISBN: </label>9781259025761 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Integers<br/>Fibonacci Numbers 
<br/><br/><label>Dewey Class. No.: </label>512.72