LINDAHL, L.- ake. On Narrow Spectral Analysis. MATHEMATICA SCANDINAVICA, [S. l.], v. 26, p. 149–164, 1970. DOI: 10.7146/math.scand.a-10974. Disponível em: https://www.mscand.dk/article/view/10974. Acesso em: 24 nov. 2024.