WANG, G.-Q.; CHENG, S. S. A priori bounds for periodic solutions of a delay Rayleigh equation with damping. Tamkang Journal of Mathematics, [S. l.], v. 34, n. 3, p. 293–298, 2003. DOI: 10.5556/j.tkjm.34.2003.321. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/321. Acesso em: 21 nov. 2024.