CORTÉS, Vicente. Odd Riemannian symmetric spaces associated to four-forms. Mathematica Scandinavica, Berkeley, CA, United States, v. 98, n. 2, p. 201–216, 2006. DOI: 10.7146/math.scand.a-14991. Disponível em: https://journals.msp.org/mscand/article/view/706. Acesso em: 24 jul. 2026.