Asymptotic representations of solutions to second order differential equations with rapidly and regularly varying nonlinearities. Neliniini Kolyvannya, [S. l.], v. 20, n. 4, p. 549–563, 2017. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/890. Acesso em: 21 jan. 2026.