%0 Journal Article %A J. D. Kechkich %T Boundary value problems for the Laplace equation %J Differencialʹnye uravneniâ %D 1975 %P 1641-1646 %V 11 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1975_11_9_a11/ %G ru %F DE_1975_11_9_a11