Andreescu, Titu and Enescu, Bogdan <br/><br/>
Mathematical olympiad treasures   

 - Boston  Birkhauser Verlag  2004 
 - vi, 234p. Bibl. Index. 
<br/><br/>  
<br/><br/><label>ISBN: </label>0817643052 
<br/><br/><label>Dewey Class. No.: </label>512  / An558.MO