%0 Journal Article %A V. M. Fomichev %T An improved formula for the universal estimation of digraph exponents %J Prikladnaya Diskretnaya Matematika. Supplement %D 2018 %P 16-20 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2018_11_a4/ %G ru %F PDMA_2018_11_a4