00493nam a2200157Ia 4500008004100000041000800041082001500049100001000064245004800074250001300122260002900135300001100164650003100175999001900206952011000225231207s9999    xx            000 0 und d  aeng  a512.70/AYR  aayres  aTheory and problem of differential equation  a2002 Ed.  bmc grawhill book company  aPB/295  aComnputer Program Language  c945623d945623  00104070aMIMbMIMd2023-12-08g401.00l0o512.70/AYRpMIM-MCA1417r2023-12-08 00:00:00w2023-12-08yBK