JÓNSSON, Bjarni. On the representation of lattices. Mathematica Scandinavica, Berkeley, CA, United States, v. 1, p. 193–206, 1953. DOI: 10.7146/math.scand.a-10377. Disponível em: https://journals.msp.org/mscand/article/view/2948. Acesso em: 25 jul. 2026.