Krishnan, V.K. <br/><br/>
Elementrary number theory  A collection of problems with solution 

 - Univerisity Press, Hyderabad  2011 
 - vi, 253 
<br/><br/><label>ISBN: </label>9788173717437 
<br/><br/><label>Dewey Class. No.: </label>512.72 Kri