%0 Journal Article
%A I. V. Petrova
%T Jackson's theorem and Besov spaces on a sphere
%J Doklady Akademii Nauk
%D 1984
%P 544-549
%V 278
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1984_278_3_a7/
%G ru
%F DAN_1984_278_3_a7