%0 Journal Article %A V. A. Il'in %A E. I. Moiseev %T A mean value formula for the associated functions of the Laplace operator %J Differencialʹnye uravneniâ %D 1981 %P 1908-1910 %V 17 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_10_a18/ %G ru %F DE_1981_17_10_a18