Polynomials Shrinkage Estimators of a Multivariate Normal Mean. Statistics, Optimization & Information Computing, [S. l.], v. 10, n. 2, p. 572–588, 2021. DOI: 10.19139/soic-2310-5070-1095. Disponível em: https://www.iapress.org/index.php/soic/article/view/1095. Acesso em: 23 apr. 2026.