ESPINOZA, J. C. Approximation of the political Business cycle through Fourier series. EconoQuantum, [S. l.], v. 20, n. 2, p. 53–68, 2023. DOI: 10.18381/eq.v20i2.7302. Disponível em: https://econoquantum.cucea.udg.mx/index.php/EQ/article/view/7302. Acesso em: 19 apr. 2025.