- Nikolaos S. Papageorgiou, Calogero Vetro, Francesca Vetro, “Multiple solutions with sign information for a (p,2)-equation with combined nonlinearities”, Nonlinear Analysis, 192, 2020, 111716
- Nikolaos S. Papageorgiou, Calogero Vetro, Francesca Vetro, “Singular (p, q)-equations with superlinear reaction and concave boundary condition”, Applicable Analysis, 101, no. 3, 2022, 891
- Chen Huang, Gao Jia, Tiansi Zhang, “Multiplicity of solutions for a quasilinear elliptic equation with ( p , q ) $(p,q)$ -Laplacian and critical exponent on R N $\mathbb{R}^{N}$”, Bound Value Probl, 2018, no. 1, 2018, 147
- Nikolaos S. Papageorgiou, Calogero Vetro, Francesca Vetro, “Continuous spectrum for a two phase eigenvalue problem with an indefinite and unbounded potential”, Journal of Differential Equations, 268, no. 8, 2020, 4102
- Federica Mennuni, Dimitri Mugnai, “Leray–Lions Equations of (p, q)-Type in the Entire Space with Unbounded Potentials”, Milan J. Math., 2024
- Yunru Bai, Nikolaos S. Papageorgiou, Shengda Zeng, “A singular eigenvalue problem for the Dirichlet (p, q)-Laplacian”, Math. Z., 300, no. 1, 2022, 325
- Nabil Chems Eddine, Dušan D. Repovš, “The Neumann problem for a class of generalized Kirchhoff-type potential systems”, Bound Value Probl, 2023, no. 1, 2023, 19
- Nikolaos S. Papageorgiou, Vicenţiu D. Rădulescu, “Infinitely Many Nodal Solutions for Nonlinear Nonhomogeneous Robin Problems”, Advanced Nonlinear Studies, 16, no. 2, 2016, 287
- Kaimin Teng, Chao Zhang, “Infinitely many solutions for quasilinear elliptic equations involving(p,q)-Laplacian inR”, Nonlinear Analysis: Real World Applications, 32, 2016, 242
- Leszek Gasiński, Nikolaos S. Papageorgiou, “Nonlinear elliptic equations with a jumping reaction”, Journal of Mathematical Analysis and Applications, 443, no. 2, 2016, 1033