%0 Journal Article %A R. A. Abusev %A Ya. P. Lumel'skiǐ %T Unbiased estimators and classification problems for multivariate normal populations %J Teoriâ veroâtnostej i ee primeneniâ %D 1980 %P 381-389 %V 25 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1980_25_2_a15/ %G ru %F TVP_1980_25_2_a15