00299nam a2200133Ia 45000030006000000080041000060400015000471000015000622450027000772500010001042600022001145460012001360050017001480STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aFord, L.R.  aDifferential equations  aFirst  bMcgraw hillc1933  aEnglish20220125165942.0