ZIELONKA, W. Two weak Lambek style calculi: DNL and DNL−∗. Logic and Logical Philosophy, [S. l.], v. 21, n. 1, p. 53–64, 2012. DOI: 10.12775/LLP.2012.004. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2012.004. Acesso em: 29 mar. 2024.