CLÉMENT, L.; KIRMAN, J.; SALVATI, S. A logical approach to grammar description. Journal of Language Modelling, [S. l.], v. 3, n. 1, p. 87–143, 2015. DOI: 10.15398/jlm.v3i1.94. Disponível em: https://jlm.ipipan.waw.pl/index.php/JLM/article/view/94. Acesso em: 19 apr. 2024.