@Misc{ 
  Gho23,
  author = { Ghosh, Mrityunjoy },
  title = { On the optimization of the first weighted eigenvalue of the fractional
  Laplacian },
  journal = {  },
  year = { 2023 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6963/ },
  note = { cvgmt preprint}
}