@article{AnelloCammarotoVilasi2022EJQTDE,
  author  = {Giovanni Anello and Filippo Cammaroto and Luca Vilasi},
  title   = {Strong Maximum Principle for a Sublinear Elliptic Problem at Resonance},
  journal = {Electronic Journal of Qualitative Theory of Differential Equations},
  number  = {32},
  pages   = {1--12},
  year    = {2022},
  doi     = {10.14232/ejqtde.2022.1.32}
}