000			00351nam a2200133Ia 4500
008			220314s9999||||xx |||||||||||||| ||und||
080			_a511.32
100			_aSigler, L E
245		0	_aExercises in set theory
260			_bNarosa Publishing House, New Delhi _c1979
300			_a134
650			_aSets; Mathematical logic; Mathematics
942			_cBOOK
999			_c15264 _d15264