A New Family of Smooth Transition Autoregressive (STAR) Models: Properties and Application of its Symmetric Version to Exchange Rates. Communication In Physical Sciences, [S. l.], v. 9, n. 3, p. 310–324, 2023. Disponível em: https://journalcps.com/index.php/volumes/article/view/545. Acesso em: 27 jul. 2026.