TY - JOUR AU - V. S. Vinogradov TI - On the reduction of elliptic system of order one on the plane to the complex special form JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1991 SP - 84 EP - 87 VL - 200 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1991_200_a7/ LA - ru ID - TM_1991_200_a7 ER -