%0 Journal Article %A V. V. Basov %T Convergence of normalizing transformations of a nonautonomous system of differential equations with a small parameter multiplying the derivative %J Differencialʹnye uravneniâ %D 1994 %P 187-196 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_2_a0/ %G ru %F DE_1994_30_2_a0