ALIZADE, R.; BÜYÜKASIK, E. Extensions of weakly supplemented modules. MATHEMATICA SCANDINAVICA, [S. l.], v. 103, n. 2, p. 161–168, 2008. DOI: 10.7146/math.scand.a-15075. Disponível em: https://www.mscand.dk/article/view/15075. Acesso em: 6 may. 2024.