00326nam a22001217a 4500008004100000100002900041245006200070250000900132260003000141300000800171942001000179999001500189230123b        ii ||||| |||| 00| 0 eng d  achandrashekar K S913172  aTransform calculus fourier series & Numerical Techniques   a2021  abengaluru b sudha c2021  a442  cBE_BK  c6952d6952