CHO-HO, C. Anti-Lattices and Prime Sets. MATHEMATICA SCANDINAVICA, [S. l.], v. 31, p. 151–165, 1972. DOI: 10.7146/math.scand.a-11421. Disponível em: https://www.mscand.dk/article/view/11421. Acesso em: 8 may. 2024.