%0 Journal Article %A L. P. Postnikova %A A. A. Yudin %T A sharpened form of the inequality for the concentration function %J Teoriâ veroâtnostej i ee primeneniâ %D 1978 %P 376-379 %V 23 %N 2 %U http://geodesic.mathdoc.fr/item/TVP_1978_23_2_a9/ %G ru %F TVP_1978_23_2_a9