EOM, Myoung-Hoe; KYE, Seung-Hyeok. Duality for positive linear maps in matrix algebras. Mathematica Scandinavica, Berkeley, CA, United States, v. 86, n. 1, p. 130–142, 2000. DOI: 10.7146/math.scand.a-14285. Disponível em: https://journals.msp.org/mscand/article/view/920. Acesso em: 24 jul. 2026.