%0 Journal Article %A A. M. Shoitov %T The Poisson approximation for the number of matches of values of a discrete function from chains %J Diskretnaya Matematika %D 2005 %P 56-69 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_2005_17_2_a3/ %G ru %F DM_2005_17_2_a3