TY - JOUR AU - Stanisław Łojasiewicz, Jr. TI - Some properties of accessible sets in non-linear control systems JO - Annales Polonici Mathematici PY - 1979 SP - 123 EP - 137 VL - 36 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-36-2-123-137/ DO - 10.4064/ap-36-2-123-137 LA - en ID - 10_4064_ap_36_2_123_137 ER -