BAILHACHE, Patrice. Logique déontique et temporelle. Acta Universitatis Lodziensis. Folia Philosophica. Ethica-Aesthetica-Practica, Poland, n. 3, p. 15–28, 1985. DOI: 10.18778/0208-6107.03.02. Disponível em: https://www.czasopisma.uni.lodz.pl/philosophica/article/view/17494. Acesso em: 26 may. 2026.