VILLETA, R. B. On Some Results of a Torsion-Free Abelian Trace Group. Recoletos Multidisciplinary Research Journal, [S. l.], v. 2, n. 2, 2014. DOI: 10.32871/rmrj1402.02.10. Disponível em: https://rmrj.usjr.edu.ph/rmrj/index.php/RMRJ/article/view/131. Acesso em: 5 may. 2024.