@Article{Bonanno2019, author = "Bonanno, Gabriele and D'Aguì, Giuseppina and Sciammetta, Angela", title = "Nonlinear elliptic equations involving the p-Laplacian with mixed Dirichlet-Neumann boundary conditions", journal = "Opuscula Math.", year = "2019", volume = "39", number = "2", pages = "159--174", doi = "https://doi.org/10.7494/OpMath.2019.39.2.159", url = "https://doi.org/10.7494/OpMath.2019.39.2.159", abstract = "In this paper, a nonlinear differential problem involving the \(p\)-Laplacian operator with mixed boundary conditions is investigated. In particular, the existence of three non-zero solutions is established by requiring suitable behavior on the nonlinearity. Concrete examples illustrate the abstract results.", keywords = "mixed problem, critical points", issn = "1232-9274" }