000 00299nam a2200121Ia 4500
005 20251007104515.0
008 251006s9999 xx 000 0 und d
100 _asigler,l.e.
245 0 _aexercises in set theory sigler,l.e.
260 _a1st.ed. | London Nostrand
260 _c1966
942 _cBOK
999 _c8652
_d8652