The local linear approximation method in the theory of bounded solutions of nonlinear difference equations. Neliniini Kolyvannya, [S. l.], v. 12, n. 3, p. 368–378, 2009. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/532. Acesso em: 21 jan. 2026.