00312nam a2200133Ia 45000030006000000080041000060400015000471000015000622450051000772500012001282600009001405460012001490050017001610STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aInce, E.L.  aIntegration of ordinary differential equations  aSeventh  c1959  aEnglish20220125165949.0