%0 Journal Article %A N. N. Gudovič %T The application of the difference method to the solution of nonlinear elliptic equations %J Doklady Akademii Nauk %D 1968 %P 1257-1260 %V 179 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_179_6_a1/ %G ru %F DAN_1968_179_6_a1