Stillwell, J <br/><br/>
Elements of number theory 
J. Stillwell 
 - New York  Springer  2003 
 - xii  254 
 - Undergraduate texts in mathematics .
<br/><br/><label>ISBN: </label>9780387955872 
<br/><br/><label>Dewey Class. No.: </label>3.01  / STIL