RASGA, João; SERNADAS, Cristina. On Combining Intuitionistic and S4 Modal Logic. Bulletin of the Section of Logic, [S. l.], v. 53, n. 3, p. 321–344, 2024. DOI: 10.18778/0138-0680.2024.11. Disponível em: https://czasopisma.uni.lodz.pl/bulletin/article/view/18364. Acesso em: 13 mar. 2025.