GHAMESHLOU, AREZOO N.; GOLMOHAMMADI, HAMIDREZA; MOGHADDAM, S. M. HOSSEINI; VOLKMANN, LUTZ. Roman k-domination number upon vertex and edge removal. Utilitas Mathematica , [S. l.], v. 112, 2022. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1400. Acesso em: 26 jul. 2026.