TY - JOUR AU - Zabczyk, Jerzy TI - Stability properties of the discrete Riccati operator equation JO - Kybernetika PY - 1977 SP - 1 EP - 10 VL - 13 IS - 1 UR - http://geodesic.mathdoc.fr/item/KYB_1977_13_1_a0/ LA - en ID - KYB_1977_13_1_a0 ER -