%0 Journal Article
%A G. I. Sulkhanishvili
%T Letter to the editors: ``Difference schemes of the sixth order of accuracy for a Poisson equation of an arbitrary number of dimensions'' (Differencial'nye Uravnenija \textbf{11} (1975), no.~5, 934--936)
%J Differencialʹnye uravneniâ
%D 1976
%P 183
%V 12
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_1_a25/
%G ru
%F DE_1976_12_1_a25