BLAND, P. E. Divisible and Codivisible Modules. MATHEMATICA SCANDINAVICA, [S. l.], v. 34, p. 153–161, 1974. DOI: 10.7146/math.scand.a-11516. Disponível em: https://www.mscand.dk/article/view/11516. Acesso em: 24 nov. 2024.