%0 Journal Article
%A V. A. Shcherbakova
%T Classes of oriented graded graphs with polynomially solvable cardinality Steiner problem
%J Diskretnaya Matematika
%D 1997
%P 73-85
%V 9
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_1997_9_4_a6/
%G ru
%F DM_1997_9_4_a6