%0 Journal Article %A C. G. Hakubija %T On some nonparametric density function estimators in the statistical classification problem %J Teoriâ veroâtnostej i ee primeneniâ %D 1983 %P 691-699 %V 28 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1983_28_4_a6/ %G ru %F TVP_1983_28_4_a6