ŁUKOWSKI, Piotr. Doctrina multiplex, veritas una. Acta Universitatis Lodziensis. Folia Iuridica, [S. l.], n. 73, p. 5–26, 2014. DOI: 10.18778/0208-6069.73.01. Disponível em: https://www.czasopisma.uni.lodz.pl/Iuridica/article/view/20157. Acesso em: 8 dec. 2025.