TY - JOUR AU - Bonilla, Moisés E. AU - Malabre, Michel TI - External reachability (reachability with pole assignment by p. d. feedback) for implicit descriptions JO - Kybernetika PY - 1993 SP - 499 EP - 510 VL - 29 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1993__29_5_a10/ LA - en ID - KYB_1993__29_5_a10 ER -