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

 - 6 
 - New Delhi  Tata McGraw - Hill Education       2007 
 - xiii,434p.  cm. 
<br/><br/><label>Standard No.: </label>145254 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B15, P7 ILLL