PETERSEN, K. The spectrum and commutant of a certain weighted translation operator. MATHEMATICA SCANDINAVICA, [S. l.], v. 37, p. 297–306, 1975. DOI: 10.7146/math.scand.a-11608. Disponível em: https://www.mscand.dk/article/view/11608. Acesso em: 2 may. 2024.