%0 Journal Article %A Yu. A. Dubinskii %T The nontriviality of certain classes of functions, and the solvability of nonlinear ordinary differential equations of infinite order %J Differencialʹnye uravneniâ %D 1974 %P 231-240 %V 10 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_2_a5/ %G ru %F DE_1974_10_2_a5