FERRANDO, J. C. On the ultrabornological property of the vector valued bounded function space. Mathematica Scandinavica, Berkeley, CA, United States, v. 73, p. 156–160, 1993. DOI: 10.7146/math.scand.a-12461. Disponível em: https://journals.msp.org/mscand/article/view/1206. Acesso em: 24 jul. 2026.