%0 Journal Article
%A S. N. Nikolskii
%T Jackson's Order of Approximation in the Problem of Approximation of Continuous Set-Valued Map
%J Mathematica balkanica
%D 1990
%P 396
%V 4
%N 3-4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MABA_1990_4_3-4_a17/
%F MABA_1990_4_3-4_a17