Koninck, J. M. De, <br/><br/>
1001 problems in classical number theory / 
Jean-Marie De Koninck 
 - Providence, R.I. :  American Mathematical Society,  c2007. 
 - xii, 336 p. ; 
<br/><br/><label>ISBN: </label>9780821868881 0821842242 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory--Problems, exercises, etc.
<br/><br/><label>Universal Decimal Class. No.: </label>511(076.2)  / KON