%0 Journal Article
%A V. A. Korobitsyn
%A O. B. Sidonskii
%T A difference operator on a group over a matrix ring
%J Doklady Akademii Nauk
%D 1978
%P 847-850
%V 243
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1978_243_4_a6/
%G ru
%F DAN_1978_243_4_a6