00305nam a2200133Ia 45000030006000000080041000060400015000471000022000622450039000842500010001232600009001335460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGorakh Prasad, A.  aText book on Differential Calculus  aNinth  c1959  aEnglish20220125165944.0