LU, G. The splitting lemmas for nonsmooth functional on Hilbert spaces II. The case at infinity. Topological Methods in Nonlinear Analysis, [S. l.], v. 44, n. 2, p. 277–335, 2016. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2014.048. Acesso em: 26 apr. 2024.