Krishnan, V. K. <br/><br/>
Elementary number theory  : a collection of problem with solutions / 

 - India:  Universities Press,  2011 
 - vi, 253p. Index 
<br/><br/><label>ISBN: </label>9788173717437 
<br/><br/><label>Dewey Class. No.: </label>512.7  / K92.EN