TY - JOUR AU - Jakubczyk, Bronisław TI - Curvatures of single-input control systems JO - Control and Cybernetics PY - 2009 SP - 1375 EP - 1391 VL - 38 IS - 4B PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CC_2009_38_4B_a6/ LA - en ID - CC_2009_38_4B_a6 ER -