TANAKA, K. Sectional category of maps related to finite spaces. Topological Methods in Nonlinear Analysis, [S. l.], v. 63, n. 2, p. 537–557, 2024. DOI: 10.12775/TMNA.2023.029. Disponível em: https://apcz.umk.pl/TMNA/article/view/49151. Acesso em: 22 jul. 2024.