000			00416nam a2200145Ia 4500
008			170101s1966 xx 000 0 und d
082			_a512.86 M51B
100			_aMANSFIELD, D.E
245		0	_aBackground to set and ground theory ; including applications in the teaching of mathematics
260			_bLondon _c1966
300			_a252p
650			_aGROUPS, THEORY OF
653			_aGROUPS, THEORY OF
942			_2ddc _cB
999			_c22750 _d22750