%0 Journal Article %A V. R. Portnov %T On the existence of bounded Galerkin nets for nonlinear operators %J Doklady Akademii Nauk %D 1975 %P 1267-1270 %V 225 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_225_6_a7/ %G ru %F DAN_1975_225_6_a7