%0 Journal Article
%A K. K. Golovkin
%T Approximation of functions of the class $W_p^l(\Omega)$
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1966
%P 50-56
%V 92
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1966_92_a3/
%G ru
%F TM_1966_92_a3