DEKIMPE, K.; GONÇALVES, D. L. The R_\infty property for abelian groups. Topological Methods in Nonlinear Analysis, [S. l.], v. 46, n. 2, p. 773–784, 2015. DOI: 10.12775/TMNA.2015.066. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2015.066. Acesso em: 16 apr. 2024.