00366nam a2200145Ia 45000030006000000080041000060400015000471000017000622450061000792500006001402600039001463000006001855460012001910050017002030STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAmarnath, T. 3aAn Elementary Course in Practical Differential Equations  a2  bNarosa; New Delhic2006aNew Delhi  a0  aEnglish20220125165946.0