%0 Journal Article %A M. Ya. Mazalov %T A~criterion for uniform approximability of individual functions by solutions of second-order homogeneous elliptic equations with constant complex coefficients %J Sbornik. Mathematics %D 2020 %P 1267-1309 %V 211 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2020_211_9_a2/ %G en %F SM_2020_211_9_a2