%0 Journal Article
%A G. I. Shishkin
%T Grid approximation of singularly perturbed boundary value problems in a~nonconvex domain with a~piecewise smooth boundary
%J Matematičeskoe modelirovanie
%D 1999
%P 75-90
%V 11
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM_1999_11_11_a5/
%G ru
%F MM_1999_11_11_a5