000 00268nam a22001217a 4500
999 _c6221
_d6221
003 OSt
005 20210319120321.0
008 210319b ||||| |||| 00| 0 eng d
100 _aIYENGAR, T.K.V
245 _aMATHEMATICAL METHODDS
260 _bS.CHAND
942 _2ddc
_cGE