WALICKI, Michał. Paradoxes versus Contradictions in Logic of Sentential Operators. Logic and Logical Philosophy, [S. l.], p. 1–44, 2024. DOI: 10.12775/LLP.2024.002. Disponível em: https://apcz.umk.pl/LLP/article/view/43722. Acesso em: 2 jan. 2025.