GAL, S. G. Volterra-Choquet nonlinear operators. Topological Methods in Nonlinear Analysis, [S. l.], v. 57, n. 1, p. 89–106, 2020. DOI: 10.12775/TMNA.2020.009. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2020.009. Acesso em: 22 jul. 2024.