%0 Journal Article
%A S. M. Nikol'skii
%A P. I. Lizorkin
%T Approximation of functions by spherical polynomials in the metric $L_p$
%J Doklady Akademii Nauk
%D 1986
%P 285-289
%V 289
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1986_289_2_a5/
%G ru
%F DAN_1986_289_2_a5