%0 Journal Article
%A M. Atapour
%A S. Norouzian
%A S. M. Sheikholeslami
%A L. Volkmann
%T Twin signed domination numbers in directed graphs
%J Algebra and discrete mathematics
%D 2017
%P 71-89
%V 24
%N 1
%I mathdoc
%U https://geodesic-test.mathdoc.fr/item/ADM_2017_24_1_a4/
%G en
%F ADM_2017_24_1_a4