000 00288nam a2200121Ia 4500
008 170101s1984 xx 000 0 und d
082 _a515.35 BAL
100 _aBali N P
245 0 _aDifferential Equations
260 _aN.Delhi
_bLaxmi Pub.
_c1984
300 _a315 p
942 _2ddc
_cB
999 _c912816
_d912816