%0 Journal Article %A M. Ya. Mazalov %T A criterion for approximability by harmonic functions in Lipschitz spaces %J Zapiski Nauchnykh Seminarov POMI %D 2012 %P 144-171 %V 401 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2012_401_a7/ %G ru %F ZNSL_2012_401_a7