TIAGO DE OLIVEIRA, J. Harmonic time-series and least squares. JORBEL - Belgian Journal of Operations Research, Statistics, and Computer Science, [S. l.], v. 13, n. 3, p. 3–15, 1972. Disponível em: https://www.orbel.be/jorbel/index.php/jorbel/article/view/66. Acesso em: 14 may. 2024.