ZACH, R. An Epimorphism between Fine and Ferguson’s Matrices for Angell’s AC. Logic and Logical Philosophy, [S. l.], v. 32, n. 2, p. 161–179, 2022. DOI: 10.12775/LLP.2022.025. Disponível em: https://apcz.umk.pl/LLP/article/view/36697. Acesso em: 20 apr. 2024.