%0 Journal Article
%A G. Sh. Tsitsiashvili
%T The computational complexity of optimal blocking of vertices in the digraph
%J Dalʹnevostočnyj matematičeskij žurnal
%D 2020
%P 267-270
%V 20
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DVMG_2020_20_2_a14/
%G ru
%F DVMG_2020_20_2_a14