@Misc{ 
  LaLaNaPr16,
  author = { Lamboley, Jimmy and Laurain, Antoine and Nadin, Grégoire and Privat, Yannick },
  title = { Properties of minimizers of the principal eigenvalue with indefinite weight and robin conditions },
  journal = {  },
  year = { 2016 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3077/ },
  note = { cvgmt preprint}
}