TY - JOUR AU - A. L. Treskunov TI - The generalized Neumann problem for second order elliptic equations on the plane JO - Informatics and Automation PY - 1975 SP - 146 EP - 153 VL - 127 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1975_127_a9/ LA - ru ID - TRSPY_1975_127_a9 ER -