RYAZANOV, V. Hilbert and Poincaré problems for semi-linear equations in rectifiable domains. Topological Methods in Nonlinear Analysis, [S. l.], v. 62, n. 1, p. 1–24, 2023. DOI: 10.12775/TMNA.2022.044. Disponível em: https://apcz.umk.pl/TMNA/article/view/45147. Acesso em: 22 jul. 2024.