00357nam a2200133Ia 45000030006000000080041000060400015000471000017000622450087000792500010001662600018001765460012001940050017002060STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSaxena, H.C.  aFinite differences and numerical analysis with appendices on differences equations  aTenth  bS.Chandc1990  aEnglish20220125170038.0