STERJO, E. Multiplicity of solutions for polyharmonic Dirichlet problems with exponential nonlinearities and broken symmetry. Topological Methods in Nonlinear Analysis, [S. l.], v. 50, n. 1, p. 27–63, 2017. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2017.018. Acesso em: 22 jul. 2024.