Asymptotic representations of regularly varying $P_{\omega}(Y_0,Y_1,\lambda_0)$-solutions of the second-order differential equation, which contains the product of different types of nonlinearities of an unknown function and its derivative. НК. 2022;25(1):133-144. Accessed January 21, 2026. https://twinhead.imath.kiev.ua/index.php/nosc/article/view/1062