BEZHANISHVILI, G.; BEZHANISHVILI, N.; DE JONGH, D. The Kuznetsov-Gerčiu and Rieger-Nishimura logics. Logic and Logical Philosophy, [S. l.], v. 17, n. 1-2, p. 73–110, 2008. DOI: 10.12775/LLP.2008.006. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2008.006. Acesso em: 18 jul. 2024.