TY - JOUR AU - N. M. Mitrofanova TI - Non-trivial sufficient statistics for observations connected in a Markov chain JO - Doklady Akademii Nauk PY - 1967 SP - 528 EP - 531 VL - 175 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_175_3_a5/ LA - ru ID - DAN_1967_175_3_a5 ER -