CHOUIKHA, A. R. New Look of Trigonometric and Hyperbolic Inequalities. International Journal of Open Problems in Computer Science and Mathematics, [S. l.], v. 18, n. 4, p. 93–117, 2025. Disponível em: https://ijopcm.icsrs.uk/index.php/journal/article/view/45. Acesso em: 21 jun. 2026.