Bel’skii, D. V., & Pelyukh, G. P. (2019). Asyptotic bounds for the solutions of functional and differentialfunctional equations with constant and linear delays. Ukrains’kyi Matematychnyi Zhurnal, 71(9), 1249-1270. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/1513