BEL’SKII, D. V.; PELYUKH, G. P. Asyptotic bounds for the solutions of functional and differentialfunctional equations with constant and linear delays. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 9, p. 1249–1270, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1513. Acesso em: 5 dec. 2025.