TY - JOUR AU - A. B. Zaitsev TI - Uniform approximability of functions by polynomial solutions of second-order elliptic equations on compact plane sets JO - Izvestiya. Mathematics PY - 2004 SP - 1143 EP - 1156 VL - 68 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2004_68_6_a3/ LA - en ID - IM2_2004_68_6_a3 ER -