%0 Journal Article %A M. I. Tikhomirova %T Asymptotic normality of the number of nonappearing $s$-chains %J Diskretnaya Matematika %D 1992 %P 122-129 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1992_4_2_a13/ %G ru %F DM_1992_4_2_a13