Existence and Nonexistence of Positive Solutions for Perturbations of the Anisotropic Eigenvalue Problem

Olena Andrusenko, Leszek Gasinski, Nikolaos S. Papageorgiou. Existence and Nonexistence of Positive Solutions for Perturbations of the Anisotropic Eigenvalue Problem. Symmetry, 15(2):495, February 2023. [doi]