%0 Journal Article %A Lepsveridze, G. %T To the problem of a strong differentiability of integrals along different directions. %J Georgian Mathematical Journal %D 1998 %P 157-176 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/GMJ_1998__5_2_47946/ %G en %F GMJ_1998__5_2_47946