%0 Journal Article %A Yu. N. Nemish %T A certain generalization of three-dimensional harmonic functions %J Differencialʹnye uravneniâ %D 1973 %P 967-968 %V 9 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_5_a25/ %G ru %F DE_1973_9_5_a25