%0 Journal Article %A V. V. Kibirev %T A boundary value problem for a system of harmonic functions %J Differencialʹnye uravneniâ %D 1981 %P 73-80 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_1_a9/ %G ru %F DE_1981_17_1_a9