KARPENKO, A. S. Four-Valued Logics BD and DM4: Expansions. Bulletin of the Section of Logic, [S. l.], v. 46, n. 1/2, p. 33–45, 2017. DOI: 10.18778/0138-0680.46.1.2.04. Disponível em: https://czasopisma.uni.lodz.pl/bulletin/article/view/2928. Acesso em: 19 may. 2024.