%0 Journal Article %A I. G. Lobodzinskaya %T Boundary value problems for the equation $\Delta^mu=0$ %J Differencialʹnye uravneniâ %D 1967 %P 1355-1363 %V 3 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1967_3_8_a15/ %G ru %F DE_1967_3_8_a15