000 00283nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aSigler L E
245 0 _aExercises In Set Theory
260 _bNarosa Pubs House
_c1979
300 _a134p
650 _aMathematics
942 _cBK
999 _c30609
_d30609