00298nam a2200121Ia 45000030006000000080041000060400015000471000018000622450032000802600035001125460012001470050017001590STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBickley, W.G.  aMathematical gazette vol 50  bMathematical Associationc1966  aEnglish20220125170028.0