TY - JOUR AU - Kevin A. Grasse TI - Reachability of Interior States by Piecewise Constant Controls. JO - Forum mathematicum PY - 1995 SP - 607 EP - 628 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FORUM_1995__7_1_186439/ ID - FORUM_1995__7_1_186439 ER -