LECHNIAK, M. Jerzy Łoś’s Epistemic Logic and the Origins of Epistemic Logics. Studia z Historii Filozofii, [S. l.], v. 11, n. 3, p. 21–49, 2021. DOI: 10.12775/szhf.2020.017. Disponível em: https://apcz.umk.pl/szhf/article/view/szhf.2020.017. Acesso em: 26 kwi. 2024.