%0 Journal Article %A S. I. Pokhozhaev %T Normal solvability of nonlinear equations %J Doklady Akademii Nauk %D 1969 %P 40-43 %V 184 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_184_1_a9/ %G ru %F DAN_1969_184_1_a9