%0 Journal Article %A Yu. V. Egorov %T Boundary value problems for a~nonlinear elliptic equation %J Sbornik. Mathematics %D 2017 %P 842-862 %V 208 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2017_208_6_a4/ %G en %F SM_2017_208_6_a4