000			00320nam a2200121Ia 4500
005			20251007104423.0
008			251006s9999 xx 000 0 und d
100			_ahalmos,paul richard,1914
245		0	_anaive set theory halmos,paul richard,1914
260			_a1st.ed. | N.Y. Van Nostrand
260			_c1960
942			_cBOK
999			_c6846 _d6846