%0 Journal Article %A V. P. Skripnik %T Convergence in $L^2$ of families of solutions of nonlinear systems with a small parameter multiplying the derivative %J Differencialʹnye uravneniâ %D 1988 %P 357-359 %V 24 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_2_a26/ %G ru %F DE_1988_24_2_a26