EXISTENCE AND UNIQUENESS OF THE SOLUTION OF A HYPERBOLIC PROBLEM WITH POLYNOMIAL NONLINEARITY. Far East Journal of Dynamical Systems, [S. l.], v. 36, n. 1, p. 29–75, 2023. DOI: 10.17654/0972111823002. Disponível em: https://pphmjopenaccess.com/fejds/article/view/80. Acesso em: 5 jan. 2026.