%0 Journal Article
%A N. S. Bakhvalov
%T On the number of arithmetical operations in solving Poisson’s equation for a square by means of finite differences
%J Doklady Akademii Nauk
%D 1957
%P 252-254
%V 113
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_113_2_a1/
%G ru
%F DAN_1957_113_2_a1