FUGLEDE, Bent. On a theorem of F. Riesz. MATHEMATICA SCANDINAVICA, [S. l.], v. 3, p. 283–302, 1955. DOI: 10.7146/math.scand.a-10448. Disponível em: https://tidsskrift.dk/math/article/view/10448. Acesso em: 13 aug. 2026.