%0 Journal Article %A P. N. Vabishchevich %T Numerical solution of elliptic boundary problems on composite grid %J Matematičeskoe modelirovanie %D 1991 %P 112-123 %V 3 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1991_3_8_a11/ %G ru %F MM_1991_3_8_a11