Andreescu, Titu, <br/><br/>
Mathematical Olympiad Challenges 
Titu Andreescu, Razvan Gelca. 
 - 2nd ed. 2009. 
 - 1 online resource  illustrations (black and white) 
<br/><br/><label>ISBN: </label>9780817646110 0817646116 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matemática (Estudo e Ensino)
<br/><br/><label>Dewey Class. No.: </label>510.76  / A558m