%0 Journal Article
%A S. G. Merzlyakov
%T On the closedness of the range of a difference operator
%J Doklady Akademii Nauk
%D 1993
%P 141-142
%V 328
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1993_328_2_a2/
%G ru
%F DAN_1993_328_2_a2