BEL’SKII, D. V.; PELYUKH, G. P. Asymptotic estimates for the solutions of a differential-functional equation with linear delay. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 1, p. 129–138, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1424. Acesso em: 5 dec. 2025.