SIDDIQI, M. D.; ALI, M. N. Hsu-unified structure manifold coupled with a generalized Wintgen type inequality. International Journal of Maps in Mathematics, [S. l.], v. 9, n. 1, p. 100–112, 2026. Disponível em: https://www.simadp.com/journalmim/article/view/381. Acesso em: 19 jul. 2026.