%0 Journal Article %A N. F. Otrokov %T A class of dynamical systems with stable structures %J Differencialʹnye uravneniâ %D 1967 %P 1053-1059 %V 3 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1967_3_7_a1/ %G ru %F DE_1967_3_7_a1