%0 Journal Article %A P. A. Krutitskii %T A mixed problem for the Laplace equation in three-dimensional multiply connected domains %J Differencialʹnye uravneniâ %D 1999 %P 1179-1186 %V 35 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_9_a3/ %G ru %F DE_1999_35_9_a3