Asymptotic representations of solutions of ordinary differential equations of order $n$ with an exponential nonlinearity. Neliniini Kolyvannya, [S. l.], v. 7, n. 4, p. 562–573, 2004. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/330. Acesso em: 22 jan. 2026.