%0 Journal Article %A A. B. Zaitsev %T Uniform Approximation of Functions by Polynomial Solutions to Second-Order Elliptic Equations on Compact Sets in $\mathbb{R}^2$ %J Matematičeskie zametki %D 2003 %P 41-51 %V 74 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2003_74_1_a4/ %G ru %F MZM_2003_74_1_a4