RAVI, B. .; CHESNEAU, christophe. Solutions to two open problems in integral theory. International Journal of Open Problems in Computer Science and Mathematics, [S. l.], v. 18, n. 4, p. 140–145, 2025. Disponível em: https://ijopcm.icsrs.uk/index.php/journal/article/view/48. Acesso em: 21 jun. 2026.