Burton, David M. <br/><br/>
Elementary number theory  / 

 - 7th ed. 
 - Boston:  McGraw-Hill,  2002 
 - xv, 411p. Bibl. Index. 
 - International series in pure and applied mathematics .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9789355325129 
<br/><br/><label>Dewey Class. No.: </label>512.7  / B974.EN