TY - JOUR AU - Е. A. Puhal'skiǐ TI - Minimal sufficient statistics for the normal models with an algebraic structure JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1981 SP - 574 EP - 583 VL - 26 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1981_26_3_a9/ LA - ru ID - TVP_1981_26_3_a9 ER -