الغفور جاسم سالم ع. A Study of the stability for one of non-linear autoregressive models with trigonometric terms with application. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 11, n. 2, p. 410–432, 2011. DOI: 10.33899/iqjoss.2011.027640. Disponível em: https://ojs.uomosul.edu.iq/index.php/stats/article/view/29384. Acesso em: 5 sep. 2025.