TY - JOUR AU - V. S. Pugachev TI - Recursive estimation of variables and parameters in stochastic systems described by difference equations JO - Doklady Akademii Nauk PY - 1978 SP - 1131 EP - 1133 VL - 243 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1978_243_5_a9/ LA - ru ID - DAN_1978_243_5_a9 ER -