Asymptotic representations of solutions of the one klass ordinary differential equations of second order. Neliniini Kolyvannya, [S. l.], v. 14, n. 2, p. 203–213, 2011. Disponível em: https://nosc.imath.kiev.ua/index.php/nosc/article/view/601. Acesso em: 12 apr. 2026.