SUNESEN, K. Further Results on Partial Order Equivalences on Infinite Systems. BRICS Report Series, [S. l.], v. 5, n. 6, 1998. DOI: 10.7146/brics.v5i6.19278. Disponível em: https://tidsskrift.dk/brics/article/view/19278. Acesso em: 22 nov. 2024.