00281nam a2200121Ia 45000030006000000080041000060400015000471000022000622450027000842600019001115460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMurray Daniel, A.  aDifferential equations  bLongmansc1963  aEnglish20220125165944.0