TY - JOUR AU - V. N. Kolokoltsov TI - Application of quasi-classical methods in a study of the Belavkin quantum filtration JO - Matematičeskie zametki PY - 1991 SP - 153 EP - 156 VL - 50 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1991_50_5_a21/ LA - ru ID - MZM_1991_50_5_a21 ER -