000			00327nam a2200121Ia 4500
008			210310s9999 xx 000 0 und d
040			_crty
100			_aSpiegel, Murray R.
245		0	_aTheory and problems of complex variable with an introduction to conformal its ap
260			_aNew York
300			_a1964
942			_cTU
999			_c225236 _d225236