ACETO, L.; ÉSIK, Z.; INGÓLFSDÓTTIR, A. On the Two-Variable Fragment of the Equational Theory of the Max-Sum Algebra of the Natural Numbers. BRICS Report Series, [S. l.], v. 6, n. 22, 1999. DOI: 10.7146/brics.v6i22.20079. Disponível em: https://tidsskrift.dk/brics/article/view/20079. Acesso em: 19 apr. 2024.