KAIJSER, S.; SINCLAIR, A. M. Projective tensor products of $C^*$-algebras. MATHEMATICA SCANDINAVICA, [S. l.], v. 55, p. 161–187, 1984. DOI: 10.7146/math.scand.a-12074. Disponível em: https://www.mscand.dk/article/view/12074. Acesso em: 2 may. 2024.