ZHANG, B.; BISCI, G. M.; XIANG, M. Multiplicity results for nonlocal fractional $p$-Kirchhoff equations via Morse theory. Topological Methods in Nonlinear Analysis, [S. l.], v. 49, n. 2, p. 445–461, 2016. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2016.081. Acesso em: 22 jul. 2024.