BUSZKOWSKI, W. Involutive Nonassociative Lambek Calculus: Sequent Systems and Complexity. Bulletin of the Section of Logic, [S. l.], v. 46, n. 1/2, p. 75–91, 2017. DOI: 10.18778/0138-0680.46.1.2.07. Disponível em: https://czasopisma.uni.lodz.pl/bulletin/article/view/2931. Acesso em: 20 apr. 2024.