%0 Journal Article %A H. Fährmann %T On the convergence of costs in the case of optimal stopping of a~partially observable random process in the Kalman--Bucy scheme %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1977 %V 32 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1977_32_5_a21/ %G ru %F RM_1977_32_5_a21