CITKIN, A. A mind of a non-countable set of ideas. Logic and Logical Philosophy, [S. l.], v. 17, n. 1-2, p. 23–39, 2008. DOI: 10.12775/LLP.2008.003. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2008.003. Acesso em: 28 mar. 2024.