ZAMFIRESCU, T. Extending and paralleling Stechkin’s category theorem. Topological Methods in Nonlinear Analysis, [S. l.], v. 58, n. 1, p. 97–103, 2021. DOI: 10.12775/TMNA.2020.063. Disponível em: https://apcz.umk.pl/TMNA/article/view/35207. Acesso em: 19 apr. 2024.