LANDERS, D.; ROGGE, Lothar. Nonstandard Criteria for Borel-Measurability. Mathematica Scandinavica, Berkeley, CA, United States, v. 86, n. 2, p. 244–248, 2000. DOI: 10.7146/math.scand.a-14291. Disponível em: https://journals.msp.org/mscand/article/view/914. Acesso em: 25 jul. 2026.