ALTENKIRCH, Thorsten; CHAPMAN, James; UUSTALU, Tarmo. Relative Monads Formalised. Journal of Formalized Reasoning, [S. l.], v. 7, n. 1, p. 1–43, 2014. DOI: 10.6092/issn.1972-5787/4389. Disponível em: https://jfr.unibo.it/article/view/4389. Acesso em: 16 feb. 2025.