000 00290nam a2200121Ia 4500
008 170101s1962 xx 000 0 und d
082 _a517.3 K97A
100 _aKRYLOV, V.I.
245 0 _aApproximate calculation of integrals
260 _bN.Y.
_c1962
300 _ax,357p
942 _2ddc
_cB
999 _c13493
_d13493