MICKELSSON, J. A description of discrete series using step algebras. MATHEMATICA SCANDINAVICA, [S. l.], v. 41, p. 63–78, 1977. DOI: 10.7146/math.scand.a-11702. Disponível em: https://www.mscand.dk/article/view/11702. Acesso em: 8 may. 2024.