%0 Journal Article %A A. I. Falin %T Investigation on stability at constantly acting perturbations in a special ``neutral'' case %J Differencialʹnye uravneniâ %D 1979 %P 2278-2281 %V 15 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_12_a22/ %G ru %F DE_1979_15_12_a22