%0 Journal Article
%A M. B. Abrosimov
%T Minimal vertex extensions of directed stars
%J Diskretnaya Matematika
%D 2011
%P 93-102
%V 23
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_2011_23_2_a7/
%G ru
%F DM_2011_23_2_a7