%0 Journal Article %A E. A. Volkov %T The method of regular composite grids in solving the mixed boundary value problem for the Laplace equation %J Doklady Akademii Nauk %D 1971 %P 266-269 %V 196 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_196_2_a3/ %G ru %F DAN_1971_196_2_a3