%0 Journal Article
%A S. M. Nikol'skii
%T Approximation by polynomials of functions in the class $H^r_p(\Gamma)$
%J Doklady Akademii Nauk
%D 1994
%P 165-167
%V 337
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1994_337_2_a4/
%G ru
%F DAN_1994_337_2_a4