%0 Journal Article
%A E. A. Volkov
%T An economical composite difference method for the Dirichlet problem in a~piecewise-homogeneous medium
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1984
%P 49-73
%V 163
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1984_163_a11/
%G ru
%F TM_1984_163_a11