@Misc{ 
  CFHLLS23,
  author = { Cavallina, Lorenzo and Funano, Kei and Henrot, Antoine and Lemenant, Antoine and Lucardesi, Ilaria and Sakaguchi, Shigeru },
  title = { Two extremum problems for Neumann eigenvalues },
  journal = {  },
  year = { 2023 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6341/ },
  note = { cvgmt preprint}
}