00359nam a2200133Ia 45000030006000000080041000060400015000471000017000622450086000792500013001652600018001785460012001960050017002080STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSaxena, H.C.  aFinite differences and numerical analysis with appendices on difference equations  aTwelveth  bS.Chandc1995  aEnglish20220125170038.0