Singular integral inequalities with several nonlinearities and integral equations with singular kernels. Neliniini Kolyvannya, [S. l.], v. 11, n. 1, p. 71–80, 2008. Disponível em: https://nosc.imath.kiev.ua/index.php/nosc/article/view/463. Acesso em: 12 apr. 2026.