TY  - JOUR
AU  - Atapour, Maryam
AU  - Dehgardi, Nasrin
AU  - Volkmann, L.
TI  - An introduction to the twin signed total $k$-domination numbers in directed graphs
JO  - RAIRO - Operations Research - Recherche Opérationnelle
PY  - 2017
SP  - 1331
EP  - 1343
VL  - 51
IS  - 4
PB  - EDP-Sciences
UR  - http://archive.numdam.org/articles/10.1051/ro/2017036/
DO  - 10.1051/ro/2017036
LA  - en
ID  - RO_2017__51_4_1331_0
ER  -