%0 Journal Article %A F. S. Vainshtein %A N. I. Osetinskii %T Some classification problems for control systems and the similarity problem for sets of square matrices %J Differencialʹnye uravneniâ %D 2004 %P 1479-1485 %V 40 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2004_40_11_a4/ %G ru %F DE_2004_40_11_a4