MONIRI, M.; MALEKI, F. S. Neighborhood Semantics for Basic and Intuitionistic Logic. Logic and Logical Philosophy, [S. l.], v. 24, n. 3, p. 339–355, 2015. DOI: 10.12775/LLP.2015.015. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2015.015. Acesso em: 28 jan. 2022.