FERREIRA, M. A study of the jackknife method in the estimation of the extremal index. South African Statistical Journal, [S. l.], v. 50, n. 2, p. 173–193, 2016. DOI: 10.37920/sasj.2016.50.2.1. Disponível em: https://www.journals.ac.za/index.php/sasj/article/view/5255. Acesso em: 29 apr. 2026.