On a Partially Non-Stationary Vector AR Model with Vector GARCH Noises: Estimation and Testing. Communications in Mathematical Research, [S. l.], v. 40, n. 1, p. 64–101, 2023. DOI: 10.4208/cmr.2023-0005. Disponível em: https://global-sci.com/index.php/cmr/article/view/9120. Acesso em: 6 dec. 2025.