TY - JOUR AU - Geerts, Ton TI - A priori results in linear-quadratic optimal control theory JO - Kybernetika PY - 1991 SP - 446 EP - 457 VL - 27 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1991__27_5_a6/ LA - en ID - KYB_1991__27_5_a6 ER -