%0 Journal Article %A E. A. Volkov %T A fast block method for solving the Laplace equation on polygons with nonlocal boundary conditions %J Doklady Akademii Nauk %D 1995 %P 11-14 %V 342 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1995_342_1_a1/ %G ru %F DAN_1995_342_1_a1