SCHAERF, H. M. My memories of Juliusz Schauder. Topological Methods in Nonlinear Analysis, [S. l.], v. 2, n. 1, p. 15–19, 1993. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1993.027. Acesso em: 19 apr. 2024.