SEDIG, I. Some results in spectral analysis and synthesis at infinity. MATHEMATICA SCANDINAVICA, [S. l.], v. 65, p. 259–277, 1989. DOI: 10.7146/math.scand.a-12282. Disponível em: https://www.mscand.dk/article/view/12282. Acesso em: 14 apr. 2025.