BUNCE, L. J.; WRIGHT, J. D. Maitland. Continuity and linear extensions of quantum measures on Jordan operator algebras. Mathematica Scandinavica, Berkeley, CA, United States, v. 64, p. 300–306, 1989. DOI: 10.7146/math.scand.a-12259. Disponível em: https://journals.msp.org/mscand/article/view/1391. Acesso em: 24 jul. 2026.