BUSZKOWSKI, W. Grammatical structures and logical deductions. Logic and Logical Philosophy, [S. l.], n. 3, p. 47–86, 2003. DOI: 10.12775/LLP.1995.004. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.1995.004. Acesso em: 4 lip. 2024.