%0 Journal Article %A I. N. Volodin %T Estimations of the necessary sample size in problems of statistical classification.~I %J Teoriâ veroâtnostej i ee primeneniâ %D 1977 %P 347-357 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1977_22_2_a9/ %G ru %F TVP_1977_22_2_a9