Burton, David M.  <br/><br/>
Elementary number theory /  
David M. Burton 
 - 7th ed. 
 - Boston :   McGraw-Hill,  2010. 
 - xii, 436 p. :  ill. ;  24 cm. 
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>9780073383149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number Theory
<br/><br/><label>Dewey Class. No.: </label>512.72