Nikolaos S. Papageorgiou, Patrick Winkert, “Positive solutions for nonlinear nonhomogeneous Dirichlet problems with concave-convex nonlinearities”, Positivity, 20, № 4, 2016, 945
Nikolaos S. Papageorgiou, Chao Zhang, “Singular (p,q)-equations with competing perturbations”, Applicable Analysis, 101, № 17, 2022, 6151
Ahmed Aberqi, Omar Benslimane, Mhamed Elmassoudi, Maria Alessandra Ragusa, “Nonnegative solution of a class of double phase problems with logarithmic nonlinearity”, Bound Value Probl, 2022, № 1, 2022, 57
Krzysztof Bień, Witold Majdak, Nikolaos S. Papageorgiou, “Parametric Singular Problems with an Indefinite Perturbation”, J Geom Anal, 34, № 4, 2024, 103
Ujjal Das, Amila Muthunayake, Ratnasingham Shivaji, “Existence results for a class of p-q Laplacian semipositone boundary value problems”, Electron. J. Qual. Theory Differ. Equ., № 88, 2020, 1
Tieshan He, Pengfei Guo, Li Liu, “Multiple constant sign and nodal solutions for nonlinear nonhomogeneous elliptic equations depending on a parameter”, Calc. Var., 60, № 2, 2021, 82
Nikolaos S. Papageorgiou, Calogero Vetro, Francesca Vetro, “Singular Neumann (p, q)-equations”, Positivity, 24, № 4, 2020, 1017
Nikolaos S. Papageorgiou, Vicenţiu D. Rădulescu, Dušan D. Repovš, “Positive solutions for nonlinear nonhomogeneous parametric Robin problems”, Forum Mathematicum, 30, № 3, 2018, 553
Yuanyuan Zhang, Yang Yang, “Positive solutions for semipositone (p,N)-Laplacian problems with critical Trudinger–Moser nonlinearities”, Rev Mat Complut, 35, № 1, 2022, 133
Dumitru Motreanu, Viorica Venera Motreanu, Nikolaos Papageorgiou, Topological and Variational Methods with Applications to Nonlinear Boundary Value Problems, 2014, 45