BJÖRNSSON, O. J. A note on the characterization of standard Borel spaces. MATHEMATICA SCANDINAVICA, [S. l.], v. 47, p. 135–136, 1980. DOI: 10.7146/math.scand.a-11879. Disponível em: https://www.mscand.dk/article/view/11879. Acesso em: 6 may. 2024.