000 00302nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aN.P.Bali
245 0 _aDifferential Equations
250 _a-
260 _a-
260 _b-
260 _c0
650 _aDifferential Equations
942 _cBK
999 _c18093
_d18093