Andreescu, Titu, <br/><br/>
102 Combinatorial Problems  From the Training of the USA IMO Team / 
Titu Andreescu, Zuming Feng. 
 - 2003 edition. 
 - 1 online resource  illustrations (black and white) 
<br/><br/><label>ISBN: </label>9780817682224 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinations.
<br/><br/><label>Dewey Class. No.: </label>511.6  / A5581