%0 Journal Article
%A P. I. Lizorkin
%A S. M. Nikol'skii
%T Approximation by spherical functions
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1986
%P 181-189
%V 173
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1986_173_a14/
%G ru
%F TM_1986_173_a14