00313nam a2200133Ia 45000030006000000080041000060400015000471000018000622450040000802500010001202600020001305460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAllen, R.G.D.  aMathematical analysis for economics  aFirst  bMacmillanc1962  aEnglish20220125170048.0