OKAYASU, Rui; OZAWA, Narutaka; TOMATSU, Reiji. Haagerup approximation property via bimodules. MATHEMATICA SCANDINAVICA, [S. l.], v. 121, n. 1, p. 75–91, 2017. DOI: 10.7146/math.scand.a-25970. Disponível em: https://www.mscand.dk/article/view/25970. Acesso em: 5 dec. 2025.