%0 Journal Article
%A V. F. Butuzov
%T Asymptotic behavior of the solution of the equation $\mu^2\Delta u-k^2(x,y)u=f(x,y)$ in a rectangular domain
%J Differencialʹnye uravneniâ
%D 1973
%P 1654-1660
%V 9
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_9_a10/
%G ru
%F DE_1973_9_9_a10