TY - JOUR AU - A. V. Ivanov AU - P. Z. Mkrtychyan TI - Solvability of the first boundary value problem for some classes of second-order degenerate quasilinear elliptic equations JO - Informatics and Automation PY - 1980 SP - 14 EP - 39 VL - 147 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1980_147_a2/ LA - ru ID - TRSPY_1980_147_a2 ER -