@Misc{ 
  BaCoJeLi23,
  author = { Bartolucci, Daniele and Cosentino, Paolo and Jevnikar, Aleks and Lin, Chang-Shou },
  title = { On the first eigenvalue of Liouville-type problems },
  journal = {  },
  year = { 2023 },
  pages = { 14 },
  URL = { http://cvgmt.sns.it/paper/6084/ },
  note = { cvgmt preprint}
}