%0 Journal Article
%A V. A. Baskakov
%T On conditions for and the order of approximation of functions by operators of class $S_{2m}$
%J Matematičeskie zametki
%D 2000
%P 654-661
%V 67
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2000_67_5_a1/
%G ru
%F MZM_2000_67_5_a1