Leveque William J. <br/><br/>
Elementary Theory of Numbers 
/ by William J.Leveque 
 - New York  Dover Publication Inc.  1990 
 - 132p. 
<br/><br/><label>ISBN: </label>0486663485 
<br/><br/><label>Dewey Class. No.: </label>512.7  / LEV/E