%0 Journal Article %A E. A. Volkov %T On the solution of Laplace's equation on a parallelepiped with discontinuous boundary conditions by methods of uniform and composite grids %J Doklady Akademii Nauk %D 1978 %P 1029-1032 %V 239 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_239_5_a3/ %G ru %F DAN_1978_239_5_a3