GUTIN, G.; KOLLER, A.; YEO, A. Note on Upper Bounds for TSP Domination Number. Algorithmic Operations Research, [S. l.], v. 1, n. 1, 2006. Disponível em: https://journals.lib.unb.ca/index.php/AOR/article/view/97. Acesso em: 26 sep. 2020.