%0 Journal Article %A И.У. Бронштейн %A В.П. Бурдаев %T A theorem on the structural stability of non-autonomous differential equations %J Matematičeskie issledovaniâ %D 1982 %P 20-34 %V 67 %I mathdoc %U http://geodesic.mathdoc.fr/item/MI_1982__67_189682/ %G en %F MI_1982__67_189682