ZIĘBA, P. J. Does logical possibility entail metaphysical possibility?. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 55, p. 75–89, 2014. Disponível em: https://zfn.edu.pl/index.php/zfn/article/view/36. Acesso em: 24 jan. 2022.