00576nam a2200181Ia 4500020001500000082002000015100003700035245007000072260002900142300002100171500000500192690000600197700002900203952011800232964001700350921001000367999001700377  a0817643176  a511.6bAn558.1C  aAndreescu, Titu and Feng, Zuming  a102 combinatorial problemsbfrom the training of the USA IMO team  aBostonbBirkhauserc2003  axii, 115p. Bibl.  a  a   aFeng, Zuming ; jt. auth.  00104070aISIbISId2005-03-28eHBAg162064.00l0o511.6 An558.1CpDP27023r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a23457  c23457d23457