SZYBKA, S. J. Some remarks on the first image of a black hole. Zagadnienia Filozoficzne w Nauce, [S. l.], n. 68, p. 281–294, 2020. Disponível em: https://www.zfn.edu.pl/index.php/zfn/article/view/497. Acesso em: 19 maj. 2024.