CHRISTENSEN, J. P. R. Borel Structures and a Topological Zero-One Law. MATHEMATICA SCANDINAVICA, [S. l.], v. 29, p. 245–255, 1971. DOI: 10.7146/math.scand.a-11050. Disponível em: https://www.mscand.dk/article/view/11050. Acesso em: 27 apr. 2024.