WÓJCIK, Arkadiusz. Fitch’s Paradox in Fusions of Epistemic and Alethic Logics. Logic and Logical Philosophy, [S. l.], p. 1–37, 2025. DOI: 10.12775/LLP.2025.027. Disponível em: https://apcz.umk.pl/LLP/article/view/58285. Acesso em: 8 dec. 2025.