BENTKUS, R. On the error of the estimate of the spectral function of a stationary process. Lithuanian Mathematical Journal, [S. l.], v. 12, n. 1, p. 55–71, 1972. DOI: 10.15388/LMJ.1972.21080. Disponível em: https://journals.vu.lt./LMJ/article/view/21080. Acesso em: 26 apr. 2025.