00460nam a2200169Ia 4500 0817642889 511.6 An558.PC Andreescu, Titu and Feng, Zuming A path to combinatorics for undergraduates counting strategies Boston Birkhauser Verlag 2004 xviii, 228p. Bibl. Index. Feng, Zuming ; jt. auth. 0 0 0 0 ISI ISI 2004-02-10 SBD 273360.00 0 511.6 An558.PC DP26336 2019-02-14 00:00:00 2019-02-14 BK Ord num:6524; Ord dt:2004-02-05 24884 24884 24884