00328nam a2200133Ia 45000030006000000080041000060400015000471000021000622450050000832500010001332600022001435460012001650050017001770STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChiang Alpha, C.  aFundemental methods of mathematical economics  aThird  bMcgraw hillc1984  aEnglish20220125170046.0