%0 Journal Article %A Yu. V. Zhernovyi %T Unique solvability of boundary value problems for elliptic equations with nonlinearities %J Differencialʹnye uravneniâ %D 1999 %P 784-792 %V 35 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_6_a9/ %G ru %F DE_1999_35_6_a9