OleinichenkoA. P. (2002) “Asymptotic Behavior of Solutions of Systems of Functional Differential Equations with Nonlinear Deviation of Argument”, Ukrains’kyi Matematychnyi Zhurnal, 54(1), pp. 71-77. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4041 (Accessed: 1September2024).