ACETO, L.; ÉSIK, Z.; INGÓLFSDÓTTIR, A. The Max-Plus Algebra of the Natural Numbers has no Finite Equational Basis. BRICS Report Series, [S. l.], v. 6, n. 33, 1999. DOI: 10.7146/brics.v6i33.20102. Disponível em: https://tidsskrift.dk/brics/article/view/20102. Acesso em: 27 apr. 2024.