%0 Journal Article %A M. Ya. Mazalov %T Criterion of uniform approximability by harmonic functions on compact sets in $\mathbb R^3$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2012 %P 120-165 %V 279 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2012_279_a9/ %G ru %F TM_2012_279_a9