%0 Journal Article %A A. B. Zaitsev %T Uniform approximability of functions by polynomial solutions of second-order elliptic equations on compact plane sets %J Izvestiya. Mathematics %D 2004 %P 1143-1156 %V 68 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2004_68_6_a3/ %G en %F IM2_2004_68_6_a3