RÚA M., G.; SIERRA A., M. Some modal logics associated to the reasoning of intelligent agents. Ingeniería y Ciencia, [S. l.], v. 4, n. 7, p. 23–45, 2008. Disponível em: https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/226. Acesso em: 2 may. 2024.