%0 Journal Article
%A G. A. Kalyabin
%T On the moduli of smoothness of functions given on a sphere
%J Doklady Akademii Nauk
%D 1987
%P 1051-1054
%V 294
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_294_5_a5/
%G ru
%F DAN_1987_294_5_a5