JOARDER, A. H.; BEG, G. K. Estimation of the trace of the scale matrix of a multivariate t-model under a squared error loss. Statistica, [S. l.], v. 59, n. 2, p. 181–191, 1999. DOI: 10.6092/issn.1973-2201/1111. Disponível em: https://rivista-statistica.unibo.it/article/view/1111. Acesso em: 27 oct. 2021.