Nikolaos S. Papageorgiou, Patrick Winkert, “Positive solutions for nonlinear nonhomogeneous Dirichlet problems with concave-convex nonlinearities”, Positivity, 20, no. 4, 2016, 945
Nikolaos S. Papageorgiou, Chao Zhang, “Singular (p,q)-equations with competing perturbations”, Applicable Analysis, 101, no. 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, no. 1, 2022, 57
Krzysztof Bień, Witold Majdak, Nikolaos S. Papageorgiou, “Parametric Singular Problems with an Indefinite Perturbation”, J Geom Anal, 34, no. 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., no. 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, no. 2, 2021, 82
Nikolaos S. Papageorgiou, Calogero Vetro, Francesca Vetro, “Singular Neumann (p, q)-equations”, Positivity, 24, no. 4, 2020, 1017
Nikolaos S. Papageorgiou, Vicenţiu D. Rădulescu, Dušan D. Repovš, “Positive solutions for nonlinear nonhomogeneous parametric Robin problems”, Forum Mathematicum, 30, no. 3, 2018, 553
Yuanyuan Zhang, Yang Yang, “Positive solutions for semipositone (p,N)-Laplacian problems with critical Trudinger–Moser nonlinearities”, Rev Mat Complut, 35, no. 1, 2022, 133
Dumitru Motreanu, Viorica Venera Motreanu, Nikolaos Papageorgiou, Topological and Variational Methods with Applications to Nonlinear Boundary Value Problems, 2014, 45