%0 Journal Article
%A P. I. Lizorkin
%T Direct and inverse theorems of approximation theory for functions on Lobachevsky space
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1992
%P 120-147
%V 194
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1992_194_a8/
%G ru
%F TM_1992_194_a8