MUSAEV, V. M. Theorem on integral inequalities with functional argument. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 1, p. 136–139, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5793. Acesso em: 14 apr. 2025.