%0 Journal Article
%A Kh. P. Rustamov
%T Characterization of fractional powers of the Beltrami--Laplace operator on a sphere by means of fractional finite differences
%J Doklady Akademii Nauk
%D 1992
%P 938-943
%V 324
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1992_324_5_a4/
%G ru
%F DAN_1992_324_5_a4