%0 Journal Article
%A G. G. Oniani
%T On the relationship between differentiability conditions and existence of a strong gradient
%J Matematičeskie zametki
%D 2005
%P 93-98
%V 77
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2005_77_1_a7/
%G ru
%F MZM_2005_77_1_a7