SAKSMAN, Eero; TYLLI, Hans-olav. Weak Compactness of Multiplication Operators on Spaces of Bounded Linear Operators. Mathematica Scandinavica, Berkeley, CA, United States, v. 70, p. 91–111, 1992. DOI: 10.7146/math.scand.a-12388. Disponível em: https://journals.msp.org/mscand/article/view/1261. Acesso em: 24 jul. 2026.