TY - JOUR AU - Doležal, Jaroslav TI - Necessary conditions for discrete dynamical systems with delays and general constraints JO - Kybernetika PY - 1981 SP - 425 EP - 434 VL - 17 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1981__17_5_a7/ LA - en ID - KYB_1981__17_5_a7 ER -