%0 Journal Article %A G. Cox %T More Lusin properties in the product space $S^n$ %J Fundamenta Mathematicae %D 1981 %P 1-8 %V 113 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-113-1-1-8/ %R 10.4064/fm-113-1-1-8 %G en %F 10_4064_fm_113_1_1_8