%0 Journal Article
%A S. N. Kudryavtsev
%T Extension of Functions from Isotropic Nikol'skii--Besov Spaces and Their Approximation together with Derivatives
%J Matematičeskie zametki
%D 2020
%P 714-724
%V 108
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2020_108_5_a6/
%G ru
%F MZM_2020_108_5_a6