KOPYLOV, Yaroslav. Homology in P-semi-abelian categories. Scientia Series A: Mathematical Sciences, [S. l.], v. 17, p. 105–114, 2009. DOI: 10.71712/. Disponível em: https://revistas.usm.cl/scientia/article/view/125.. Acesso em: 7 jun. 2025.