00314nam a2200121Ia 45000030006000000080041000060400015000471000036000622450034000982600031001325460012001630050017001750STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGoldberg Michael; Stewart, B.M.  aAmerican mathematical manthly  bMathematical Societyc1964  aEnglish20220125170026.0