000 00345nam a2200133Ia 4500
008 180710s9999 xx 000 0 und d
020 _a184632
082 _a515.35
_bOPE
100 _aOPEN Uiversity of Sri Lanka
245 _aDifferential equations II: AMU 1181-unit 3
260 _a[S.l]
_bOpen University
_c0
300 _a65 p.
942 _cPR
999 _c61339
_d61339