%0 Journal Article %A Kevin A. Grasse %T Reachability of Interior States by Piecewise Constant Controls. %J Forum mathematicum %D 1995 %P 607-628 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FORUM_1995__7_1_186439/ %F FORUM_1995__7_1_186439