PRUS, S. A word on Professor Kazimierz Goebel (1940-2022). Topological Methods in Nonlinear Analysis, [S. l.], v. 60, n. 1, p. 1–4, 2022. DOI: 10.12775/TMNA.2022.019. Disponível em: https://apcz.umk.pl/TMNA/article/view/40185. Acesso em: 22 jul. 2024.