00326nam a2200121Ia 45000030006000000080041000060400015000471000020000622450069000822600024001515460012001750050017001870STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChakrabarti, A.  aElements of ordinary differetial equations and special functions  bWiley Easternc1990  aEnglish20220125165946.0