CHRISTENSEN, E. Bilinear forms, Schur multipliers, complete boundedness and duality. MATHEMATICA SCANDINAVICA, [S. l.], v. 129, n. 3, 2023. DOI: 10.7146/math.scand.a-140205. Disponível em: https://www.mscand.dk/article/view/140205. Acesso em: 3 apr. 2025.