GRAF, Thomas. A Subregular Bound on the Complexity of Lexical Quantifiers. Proceedings of the Amsterdam Colloquium, Amsterdam, p. 455–464, 2019. DOI: 10.53437/xg1cd144. Disponível em: https://platform.openjournals.nl/PAC/article/view/21986. Acesso em: 28 oct. 2026.