%0 Journal Article %A K. N. Soltanov %T Nonlinear mappings and the solvability of nonlinear equations %J Doklady Akademii Nauk %D 1986 %P 1318-1323 %V 289 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_289_6_a8/ %G ru %F DAN_1986_289_6_a8