JURDZINSKI, M.; NIELSEN, M. Hereditary History Preserving Bisimilarity is Undecidable. BRICS Report Series, [S. l.], v. 6, n. 19, 1999. DOI: 10.7146/brics.v6i19.20076. Disponível em: https://tidsskrift.dk/brics/article/view/20076. Acesso em: 2 may. 2024.