FABIAN, Ewa. Reading the Costanzo Obligation in the Light of the Pure Theory of Law. Acta Universitatis Lodziensis. Folia Iuridica, [S. l.], v. 110, p. 123–140, 2025. DOI: 10.18778/0208-6069.110.08. Disponível em: https://czasopisma.uni.lodz.pl/Iuridica/article/view/21627. Acesso em: 7 dec. 2025.