%0 Journal Article %A V. N. Sačkov %T The distribution of the number of different elements of a~symmetric basis in a~random $mA$-sample %J Teoriâ veroâtnostej i ee primeneniâ %D 1971 %P 504-513 %V 16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1971_16_3_a7/ %G ru %F TVP_1971_16_3_a7