The Spatial Sign Covariance Matrix and Its Application for Robust Correlation Estimation. Austrian Journal of Statistics, [S. l.], v. 46, n. 3-4, p. 13–22, 2017. DOI: 10.17713/ajs.v46i3-4.667. Disponível em: https://www.ajs.or.at/index.php/ajs/article/view/vol46-3-4-2. Acesso em: 3 may. 2026.