@Misc{ 
  GuaLaMVel22,
  author = { Guarino Lo Bianco, Serena and La Manna, Domenico Angelo and Velichkov, Bozhidar },
  title = { Free boundary cluster with Robin condition on the transmission interface },
  journal = {  },
  year = { 2022 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5491/ },
  note = { cvgmt preprint}
}