MORMANN, T. Topological aspects of combinatorial possibility. Logic and Logical Philosophy, [S. l.], v. 5, n. 5, p. 75–92, 2003. DOI: 10.12775/LLP.1997.006. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.1997.006. Acesso em: 28 mar. 2024.