%0 Journal Article %A A. M. Samoilenko %A V. L. Kulik %T On the regularity of differential equations that are linearized with respect to some of the variables %J Differencialʹnye uravneniâ %D 1995 %P 773-777 %V 31 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_5_a5/ %G ru %F DE_1995_31_5_a5