FARENICK, D.; PAULSEN, V. I. Operator system quotients of matrix algebras and their tensor products. MATHEMATICA SCANDINAVICA, [S. l.], v. 111, n. 2, p. 210–243, 2012. DOI: 10.7146/math.scand.a-15225. Disponível em: https://www.mscand.dk/article/view/15225. Acesso em: 20 apr. 2024.