DÜNTSCH, I.; LI, S. On the homogeneous countable Boolean contact algebra. Logic and Logical Philosophy, [S. l.], v. 22, n. 2, p. 213–251, 2013. DOI: 10.12775/LLP.2013.012. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2013.012. Acesso em: 25 apr. 2024.