PIĄTEK, Bożena. Some generalized nonexpansive mappings and weak normal structure. Topological Methods in Nonlinear Analysis, [S. l.], v. 63, n. 1, p. 285–298, 2024. DOI: 10.12775/TMNA.2023.049. Disponível em: https://apcz.umk.pl/TMNA/article/view/49157. Acesso em: 28 jun. 2025.