Andreescu, Titu . <br/><br/>
Mathematical Olympiad Challenges /  Textual Documents 
Titiu Andreescu and Razvan Gelca. 
 - 1st ed / 
 - New York :  Springer-Verlag ,  2004. 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>510  / An 25 Ma