%0 Journal Article %A M. A. Pinskiǐ %T Equivalence of control systems with continuous group symmetry %J Differencialʹnye uravneniâ %D 1982 %P 1089-1091 %V 18 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_6_a25/ %G ru %F DE_1982_18_6_a25