TY - JOUR AU - A. V. Ivanov TI - The solvability of the Dirichlet problem for certain classes of second order elliptic systems JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1973 SP - 56 EP - 87 VL - 125 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1973_125_a2/ LA - ru ID - TM_1973_125_a2 ER -