ÉSIK, Z.; NÉMETH, Z. L. Automata on Series-Parallel Biposets. BRICS Report Series, [S. l.], v. 8, n. 24, 2001. DOI: 10.7146/brics.v8i24.21948. Disponível em: https://tidsskrift.dk/brics/article/view/21948. Acesso em: 25 apr. 2024.