%0 Journal Article %A V. M. Fomichev %T On estimations for exponents of digraphs using Frobenius's numbers %J Prikladnaya Diskretnaya Matematika. Supplement %D 2014 %P 137-140 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2014_7_a58/ %G ru %F PDMA_2014_7_a58