GĘBA, K. Andrzej Granas (1929-2019). Topological Methods in Nonlinear Analysis, [S. l.], v. 59, n. 2A, p. 415–421, 2022. DOI: 10.12775/TMNA.2021.066. Disponível em: https://apcz.umk.pl/TMNA/article/view/38974. Acesso em: 3 jul. 2024.