PAVLOV, Alexander; PENNIG, Ulrich; SCHICK, Thomas. Quasi-multipliers of Hilbert and Banach $C^*$-bimodules. Mathematica Scandinavica, Berkeley, CA, United States, v. 109, n. 1, p. 71–92, 2011. DOI: 10.7146/math.scand.a-15178. Disponível em: https://journals.msp.org/mscand/article/view/519. Acesso em: 24 jul. 2026.