Estimates of some entropies and their relevance in financial market. Gulf Journal of Mathematics, [S. l.], v. 20, n. 1, p. 222–241, 2025. DOI: 10.56947/gjom.v20i.2820. Disponível em: https://www.gjom.org/index.php/gjom/article/view/2820. Acesso em: 18 aug. 2026.