CHOI, Y.; SAMEI, E.; STOKKE, R. Extension of Derivations, and Connes- Amenability of the Enveloping Dual Banach Algebra. MATHEMATICA SCANDINAVICA, [S. l.], v. 117, n. 2, p. 258–303, 2015. DOI: 10.7146/math.scand.a-22870. Disponível em: https://www.mscand.dk/article/view/22870. Acesso em: 20 apr. 2024.