Burton, David M. <br/><br/>
Elementary number theory / 
David M. Burton. 
 - 7th ed. - 
 - New Delhi:  McGraw Hill Education (India),  c2011. 
 - xii, 439 p. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>978-1-25-902576-1 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory.