KOZLOWSKI, W. M. Modular version of Goebel-Kirk theorem. Topological Methods in Nonlinear Analysis, [S. l.], v. 63, n. 1, p. 99–114, 2024. DOI: 10.12775/TMNA.2023.059. Disponível em: https://apcz.umk.pl/TMNA/article/view/49319. Acesso em: 24 jul. 2024.