KOROVINA, M. Fixed Points on Abstract Structures without the Equality Test. BRICS Report Series, [S. l.], v. 9, n. 26, 2002. DOI: 10.7146/brics.v9i26.21742. Disponível em: https://tidsskrift.dk/brics/article/view/21742. Acesso em: 29 mar. 2024.