00446nam a2200169Ia 4500 0817643176 511.6 An558.1C Andreescu, Titu and Feng, Zuming 102 combinatorial problems from the training of the USA IMO team Boston Birkhauser 2003 xii, 115p. Bibl. Feng, Zuming ; jt. auth. 0 0 0 0 ISI ISI 2005-03-28 HBA 162064.00 0 511.6 An558.1C DP27023 2019-02-14 00:00:00 2019-02-14 BK 23457 23457 23457