BIGAJ, T. Counterparts, Essences and Quantified Modal Logic. Logic and Logical Philosophy, [S. l.], v. 32, n. 1, p. 39–52, 2022. DOI: 10.12775/LLP.2022.001. Disponível em: https://apcz.umk.pl/LLP/article/view/34267. Acesso em: 25 jul. 2024.