Localization of Hopfian and Cohopfian Objects in the Categories of A − Mod, AGr(A − Mod) and COMP(AGr(A − Mod)). European Journal of Pure and Applied Mathematics, Maryland, USA, v. 14, n. 2, p. 404–422, 2021. DOI: 10.29020/nybg.ejpam.v14i2.3889. Disponível em: https://ejpam.com/index.php/ejpam/article/view/3889.. Acesso em: 6 may. 2024.