CHRISTENSEN, J. P. R.; KENDEROV, P. S. Dense strong continuity of mappings and the Radon-Nikodym property. Mathematica Scandinavica, Berkeley, CA, United States, v. 54, p. 70–78, 1984. DOI: 10.7146/math.scand.a-12041. Disponível em: https://journals.msp.org/mscand/article/view/1580. Acesso em: 25 jul. 2026.