Nathanson, Melvyn B. <br/><br/>
Elementary methods in number theory / 
Nathanson, Melvyn B. 
 - New York:  Springer,  2000. 
 - xviii,513p.;23cm 
 - Graduate Texts in Mathematics/no.195/ed.by S. Axler .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0387989129 
<br/><br/><label>Dewey Class. No.: </label>512.7 NAT