DALAL, A. On graphs with no proper perfect dominating set. Tamkang Journal of Mathematics, [S. l.], v. 44, n. 4, p. 359–364, 2013. DOI: 10.5556/j.tkjm.44.2013.975. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/975. Acesso em: 25 apr. 2024.