@Misc{ 
  HenLuc20,
  author = { Henrot, Antoine and Lucardesi, Ilaria },
  title = { Body of constant width with minimal area in a given annulus },
  journal = { Journal de l'École polytechnique - Mathématiques },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4653/ },
  note = { cvgmt preprint}
}