GJATA, O.; ZANOLIN, F. An Application of the Melnikov Method to a Piecewise Oscillator. Contemporary Mathematics, [S. l.], v. 4, n. 2, p. 249–269, 2023. DOI: 10.37256/cm.4220232160. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/2160. Acesso em: 5 may. 2024.