%0 Journal Article
%A A. Ya. Belyankov
%T Correctness constants for a difference operator
%J Doklady Akademii Nauk
%D 1975
%P 15-17
%V 221
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_221_1_a1/
%G ru
%F DAN_1975_221_1_a1