%0 Journal Article
%A V. M. Fomichev
%T On improved universal estimation of exponents of~digraphs
%J Prikladnaâ diskretnaâ matematika
%D 2019
%P 115-123
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PDM_2019_1_a7/
%G ru
%F PDM_2019_1_a7