BANAKH, T. O.; VOVK, M. I. Separately $Fσ$-measurable functions are close to functions of the first baire class. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 56, n. 4, p. 573–576, 2004. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3778. Acesso em: 5 dec. 2025.