000			00313nam a2200145Ia 4500
008			190201s9999 xx 000 0 und d
082			_a511
082			_bD39C
100			_a"Demidovich, B.P"
245		0	_aComputational Mathematic
260			_aMoscow
260			_bMIR Pub.
260			_c1981
300			_a688
999			_c23731 _d23731