%0 Journal Article
%A Seyed Mahmoud Sheikholeslami
%T Upper signed total domination number of directed graphs
%J Kragujevac Journal of Mathematics
%D 2012
%P 349 
%V 36
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KJM_2012_36_2_a17/
%G en
%F KJM_2012_36_2_a17