MAWHIN, J. In memoriam Jean Leray (1906-1998). Topological Methods in Nonlinear Analysis, [S. l.], v. 12, n. 2, p. 199–206, 1998. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1998.037. Acesso em: 22 jul. 2024.