%0 Journal Article %A A. M. Stakhy %T Uniform approximation of sets and proximality in partially ordered dynamical systems %J Differencialʹnye uravneniâ %D 1969 %P 1101-1106 %V 5 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_6_a12/ %G ru %F DE_1969_5_6_a12