Wexler inequality and almost periodic solutions of differential equations with deviating argument of mixed type. Neliniini Kolyvannya, [S. l.], v. 7, n. 3, p. 295–301, 2004. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/310. Acesso em: 21 jan. 2026.