%0 Journal Article %A V. G. Krotov %T On differentiability of functions in $L^p$, $0 %J Sbornik. Mathematics %D 1983 %P 101-119 %V 45 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1983_45_1_a6/ %G en %F SM_1983_45_1_a6