INDRZEJCZAK, Andrzej. Modal Hybrid Logic. Logic and Logical Philosophy, [S. l.], v. 16, n. 2-3, p. 147–257, 2007. DOI: 10.12775/LLP.2007.006. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2007.006. Acesso em: 8 jul. 2025.