000 00272nam a2200109Ia 4500
008 170101s1984 xx 000 0 und d
082 _a515.35 BAL
100 _aBali, N.P.
245 0 _aDiffrential Equations
260 _aNe wDelhi
_bLaxmi Pub.
_c1984
942 _2ddc
_cEG
999 _c1892616
_d1892616