TY - JOUR AU - Zabczyk, Jerzy TI - A note on the exponential stability of a matrix Riccati equation of stochastic control JO - Kybernetika PY - 1975 SP - 218 EP - 222 VL - 11 IS - 3 UR - http://geodesic.mathdoc.fr/item/KYB_1975_11_3_a2/ LA - en ID - KYB_1975_11_3_a2 ER -