%0 Journal Article %A S. I. Gorshin %T Certain questions of global stability under constantly acting perturbations in a normed linear space %J Differencialʹnye uravneniâ %D 1968 %P 631-638 %V 4 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_4_a5/ %G ru %F DE_1968_4_4_a5