LUNA, L. Ungrounded causal chains and beginningless time. Logic and Logical Philosophy, [S. l.], v. 18, n. 3-4, p. 297–307, 2010. DOI: 10.12775/LLP.2009.014. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2009.014. Acesso em: 26 feb. 2024.