%0 Journal Article %A V. L. Vaskevich %T On the approximate solution of the Dirichlet problem in composite three-dimensional domains %J Matematičeskie trudy %D 1989 %P 93-126 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_1989_15_a2/ %G ru %F MT_1989_15_a2