TY - JOUR AU - Gulgowski, Jacek TI - Bernstein approximations of Dirichlet problems for elliptic operators on the plane JO - Electronic Journal of Differential Equations PY - 2007 VL - 2007 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a52/ LA - en ID - EJDE_2007__2007__a52 ER -