000			00285nam a2200133Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a511.4
100			_aLORENTZ,G.G.
245		0	_aApproximation of function
260			_c1989
300			_aix,179p.
942			_cPR
999			_c51101 _d51101