DE CARVALHO JUNIOR, Alcides. A remark on the fundamental group of a compact negatively curved manifold. Latin American Journal of Mathematics, [S. l.], v. 2, n. 01, p. 51–57, 2023. DOI: 10.14244/lajm.v2i01.24. Disponível em: https://lajm.ufscar.br/index.php/capa/article/view/24. Acesso em: 12 dec. 2024.