Evtukhov VM, Kas'yanova VA. Asymptotic behavior of unbounded solutions of essentially nonlinear second-order differential equations. II. Ukr. Mat. Zhurn. [Internet]. 2006 Jul. 25 [cited 2025 Dec. 5];58(7):901–921. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3505