SMIRNOVA, E. D. The problem of formalization of some nonstandard semantics. Logic and Logical Philosophy, [S. l.], v. 9, n. 9, p. 153–157, 2004. DOI: 10.12775/LLP.2001.010. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2001.010. Acesso em: 5 jul. 2024.