TRENKLER, G.; WIJEKOON, P. Mean square error matrix superiority of the mixed regression estimator under misspecification. Statistica, [S. l.], v. 49, n. 1, p. 65–71, 1989. DOI: 10.6092/issn.1973-2201/785. Disponível em: https://rivista-statistica.unibo.it/article/view/785. Acesso em: 8 may. 2024.