LIE, Terje. On modules with Le-decomposition. Mathematica Scandinavica, Berkeley, CA, United States, v. 49, p. 156–160, 1981. DOI: 10.7146/math.scand.a-11928. Disponível em: https://journals.msp.org/mscand/article/view/1738. Acesso em: 25 jul. 2026.