GRABOWSKI, Marian. Nieskończoności Maxa Tegmarka. Scientia et Fides, [S. l.], v. 3, n. 2, p. 227–246, 2015. Disponível em: https://apcz.umk.pl/SetF/article/view/SetF.2015.020. Acesso em: 7 jul. 2025.