000 00323nam a22001337a 4500
999 _c13309
_d13309
005 20220413111720.0
008 220413b ||||| |||| 00| 0 eng d
020 _69789352535897
245 _aADVANCED DIFFERENTIAL EQUATIONS
250 _a19TH
260 _aNEW DELHI
_bS CHAND
_c2021
300 _aIRR
942 _2ddc
_cBK