%0 Journal Article %A A. V. Ivanov %T Nonlinear nonuniformly elliptic second-order equations %J Zapiski Nauchnykh Seminarov POMI %D 1984 %P 35-64 %V 138 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1984_138_a3/ %G ru %F ZNSL_1984_138_a3