EvtukhovV. M. and Kas’yanovaV. A. (2006) “Asymptotic behavior of unbounded solutions of essentially nonlinear second-order differential equations. II”, Ukrains’kyi Matematychnyi Zhurnal, 58(7), pp. 901–921. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3505 (Accessed: 27July2024).