%0 Journal Article %A S. N. Kudryavtsev %T Recovery of the~values of harmonic functions at a~point from their values at other points %J Sbornik. Mathematics %D 1994 %P 397-410 %V 78 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1994_78_2_a7/ %G en %F SM_1994_78_2_a7