%0 Journal Article %A A. V. Ivanov %A P. Z. Mkrtychyan %T Solvability of the first boundary value problem for some classes of second-order degenerate quasilinear elliptic equations %J Informatics and Automation %D 1980 %P 14-39 %V 147 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1980_147_a2/ %G ru %F TRSPY_1980_147_a2