%0 Journal Article %A Jakubczyk, Bronisław %T Curvatures of single-input control systems %J Control and Cybernetics %D 2009 %P 1375-1391 %V 38 %N 4B %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2009_38_4B_a6/ %G en %F CC_2009_38_4B_a6