%0 Journal Article %A V. M. Marchenko %T Minimal number of inputs of linear control systems %J Differencialʹnye uravneniâ %D 1974 %P 1789-1796 %V 10 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_10_a5/ %G ru %F DE_1974_10_10_a5