%0 Journal Article
%A V. V. Arestov
%T On the best uniform approximation of differentiation operators
%J Matematičeskie zametki
%D 1969
%P 273-284
%V 5
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1969_5_3_a0/
%G ru
%F MZM_1969_5_3_a0