%0 Journal Article %A V. A. Dikarev %T The reduction to simplest form of a system of linear differential equations with a small parameter multiplying the derivative %J Differencialʹnye uravneniâ %D 1977 %P 1384-1389 %V 13 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_8_a3/ %G ru %F DE_1977_13_8_a3