Center Bifurcation for the Smallest Bimolecular Mass-Action System. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 4, p. 6752, 2025. DOI: 10.29020/nybg.ejpam.v18i4.6752. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/6752. Acesso em: 5 dec. 2025.