ERIKSSON-BIQUE, Sirkka-liisa. Real-Valued Duals of H-Cones. Mathematica Scandinavica, Berkeley, CA, United States, v. 71, p. 243–251, 1992. DOI: 10.7146/math.scand.a-12425. Disponível em: https://journals.msp.org/mscand/article/view/1225. Acesso em: 25 jul. 2026.