%0 Journal Article %A Antonio Cordoba %T On the Vitali covering properties of a differentiation basis %J Studia Mathematica %D 1976 %P 91-95 %V 57 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-57-1-91-95/ %R 10.4064/sm-57-1-91-95 %G en %F 10_4064_sm_57_1_91_95