00311nam a2200133Ia 45000030006000000080041000060400015000471000021000622450050000832600009001333000006001425460012001480050017001600STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChiang Alpha, C.  aFundamental Methods of Mathematical Economics  c2005  a0  aEnglish20220125165450.0