%0 Journal Article %A %T Errata %J Fundamenta Mathematicae %D 1975 %V 88 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-88-2-0/ %R 10.4064/fm-88-2-0 %G fr %F 10_4064_fm_88_2_0