EvtukhovV. M. and Kas’yanovaV. A. (2005) “Asymptotic Behavior of Unbounded Solutions of Essentially Nonlinear Second-Order Differential Equations. I”, Ukrains’kyi Matematychnyi Zhurnal, 57(3), pp. 338–355. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3602 (Accessed: 22November2024).