00300nam a2200133Ia 45000030006000000080041000060400015000471000016000622450026000782500011001042600022001155460012001370050017001490STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAgnew, R.P.  aDifferntial equations  aSecond  bMcgraw hillc1960  aEnglish20220125165946.0