PRECUP, R. Componentwise localization of critical points for functionals defined on product spaces. Topological Methods in Nonlinear Analysis, [S. l.], v. 58, n. 1, p. 51–77, 2021. DOI: 10.12775/TMNA.2021.007. Disponível em: https://apcz.umk.pl/TMNA/article/view/35218. Acesso em: 24 apr. 2024.