Twin signed domination numbers in directed graphs

Atapour, Maryam; Norouzian, Sepideh; Sheikholeslami, Seyed Mahmoud; Volkmann, Lutz

Lugansk / Lugansk Taras Shevchenko State Pedagogical University (2017) [Journal Article]

Algebra and discrete mathematics
Volume: 24
Issue: 1
Page(s): 71-89