00270pam a2200097a 44500008004100000041000800041100002100049245004800070260004600118300000800164230405s2021    xxu||||| |||| 00| 0 eng d  aENG  aDr. Manish Goyal  aTransforms & Partial Differential Equations  aBengalurubUniversity Science Pressc2021  a340