000 00292nam a2200121 4500
008 160616s 000 0
245 _aFoundations of set theory
100 _aFraenkel, Abraham A
100 _aBarhillel, Yehoshusa
500 _aB31 J81
942 _cBK
_2BK887
080 _a510.21 FRA
999 _c887
_d887