TY - JOUR AU - Kučera, Vladimír TI - Special issue: System Structure and Control. I JO - Kybernetika PY - 1993 SP - 406 VL - 29 IS - 5 UR - http://geodesic.mathdoc.fr/item/KYB_1993_29_5_a0/ LA - en ID - KYB_1993_29_5_a0 ER -