00678nam a2200193Ia 4500082001900000100003400019245010800053260005800161300002000219490002000239500000500259690000600264700003500270700003700305952010100342964001700443921000900460999001500469  a510.9bB233.FH  aBarbeau, Edward J. and Others  aFive hundred mathematical challengesbcBy Edward J. Barbeau, Murray S. Klamkin and William O. J. Moser  aWashingtonbMathematical Association of Americac1995  axi, 227p. Index  aSpectrum series  a  a   aKlamkin, Murray S. ; jt. auth.  aMoser, William O. J. ; jt. auth.  00104070aISIbISId1998-09-04l0o510.9 B233.FHpDP23446r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a8396  c8396d8396