@Article{ 
  AmbAntPas24,
  author = { Ambrosio, Pasquale and Grimaldi, Antonio Giuseppe and Passarelli di Napoli, Antonia },
  title = { On the second-order regularity of solutions to widely singular or degenerate elliptic equations },
  journal = { Annali di Matematica Pura ed Applicata },
  year = { 2025 },
  doi = { http://dx.doi.org/10.1007/s10231-025-01607-7 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6656/ },
  note = { cvgmt preprint}
}