%0 Journal Article %A E. A. Volkov %T A fast block method for constructing the Green function for the Laplace operator on polygons %J Differencialʹnye uravneniâ %D 1992 %P 1189-1197 %V 28 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_7_a10/ %G ru %F DE_1992_28_7_a10