BURTON, D. M.  <br/><br/>
Elementary number theory: Revised printing 

 - London,   Allyn and Bacon,   1980. 
 - vii, 390p.: ill.; figures, tables.   Index & reference,   23cm.  
<br/><br/><label>ISBN: </label>0-205-06965-7 
<br/><br/><label>Dewey Class. No.: </label>LM 512.72 BUR