%0 Journal Article
%A I. V. Fryazinov
%T A high-order accuracy scheme for the solution of the third boundary value problem for the equation $\Delta u-qu=-f$ in a rectangle
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1971
%P 515-517
%V 11
%N 2
%U http://geodesic.mathdoc.fr/item/ZVMMF_1971_11_2_a18/
%G ru
%F ZVMMF_1971_11_2_a18