%0 Journal Article %A V. I. Kruglov %T Exact formula for expectation of number of pairs of coinciding $s$-chains in a random binary sequence with fixed number of zeroes and ones %J Prikladnaya Diskretnaya Matematika. Supplement %D 2024 %P 9-11 %N 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2024_17_a1/ %G ru %F PDMA_2024_17_a1