Pelyukh, G.P. (2000) “On the existence and uniqueness of solutions continuous and bounded on the real axis for nonlinear functional equations”, Ukrains’kyi Matematychnyi Zhurnal, 52(3), pp. 416–418. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4432 (Accessed: 16 April 2025).