TY - JOUR AU - Pommaret, Jean-François TI - Poles and zeroes of nonlinear control systems JO - Kybernetika PY - 2002 SP - [609] VL - 38 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_2002__38_5_a8/ LA - en ID - KYB_2002__38_5_a8 ER -