VALDÉS, J. E. N.; ROA, P. M. Numerical simulations in a generalized Liénard’s type system. Annals of Mathematics and Physics, [S. l.], v. 6, n. 2, p. 187–195, 2023. DOI: 10.17352/amp.000101. Disponível em: https://www.peertechzpublications.us/amp/article/view/AMP-6-201. Acesso em: 10 jan. 2025.