HELLMAN, Geoffrey; SHAPIRO, Stewart. Regions-based two dimensional continua: The Euclidean case. Logic and Logical Philosophy, [S. l.], v. 24, n. 4, p. 499–534, 2015. DOI: 10.12775/LLP.2015.011. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2015.011. Acesso em: 8 jul. 2025.