%0 Journal Article %A Stanisław Łojasiewicz, Jr. %T Some properties of accessible sets in non-linear control systems %J Annales Polonici Mathematici %D 1979 %P 123-137 %V 36 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-36-2-123-137/ %R 10.4064/ap-36-2-123-137 %G en %F 10_4064_ap_36_2_123_137