%0 Journal Article
%A S. M. Nikol'skii
%T Boundary properties of differentiable functions of several variables
%J Doklady Akademii Nauk
%D 1962
%P 542-545
%V 146
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_146_3_a8/
%G ru
%F DAN_1962_146_3_a8