00356nam a2200121Ia 45000030006000000080041000060400015000471000023000622450085000852600035001705460012002050050017002170STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKlamkin Murray, S.  aInternational mathematical olympiads 1978-1985 and fourty supplimentary problems  bMathematical Associationc1986  aEnglish20220125170029.0