HOU, Dongping; NI, Xiang; BAI, Chengming. Pre-jordan Algebras. Mathematica Scandinavica, Berkeley, CA, United States, v. 112, n. 1, p. 19–48, 2013. DOI: 10.7146/math.scand.a-15231. Disponível em: https://journals.msp.org/mscand/article/view/466. Acesso em: 24 jul. 2026.