Andreescu, Titu. Ed. Zuming, Feng. Ed.
Mathematical Olympiads 1999-2000 : Problems and solutions from around the World - USA MAA 2002 - 323
0-88385-805-3
Mathematical Olympiads 1999-2000
51 AND
Mathematical Olympiads 1999-2000 : Problems and solutions from around the World - USA MAA 2002 - 323
0-88385-805-3
Mathematical Olympiads 1999-2000
51 AND