NIEMI, H. On the linear prediction problem of certain non-stationary stochastic processes. MATHEMATICA SCANDINAVICA, [S. l.], v. 39, p. 146–160, 1976. DOI: 10.7146/math.scand.a-11652. Disponível em: https://www.mscand.dk/article/view/11652. Acesso em: 29 apr. 2024.