FERRANDO, J. C.; SÁNCHEZ RUIZ, L. M. On a Barrelled Space of Class $\aleph_0$ and Measure Theory. MATHEMATICA SCANDINAVICA, [S. l.], v. 71, p. 96–104, 1992. DOI: 10.7146/math.scand.a-12413. Disponível em: https://tidsskrift.dk/math/article/view/12413. Acesso em: 13 aug. 2026.