%0 Journal Article
%A N. S. Bakhvalov
%T Construction of difference equations for an approximate solution of Laplace's equation
%J Doklady Akademii Nauk
%D 1957
%P 1146-1148
%V 114
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_114_6_a1/
%G ru
%F DAN_1957_114_6_a1