A Characterization of a Subclass of Separate Ratio-Type Copulas. Statistics, Optimization & Information Computing, [S. l.], v. 14, n. 4, p. 1741–1755, 2025. DOI: 10.19139/soic-2310-5070-2493. Disponível em: https://www.iapress.org/index.php/soic/article/view/2493. Acesso em: 23 apr. 2026.