@Misc{ 
  ArBoLeMoSa20,
  author = { Ardentov, Andrey and Bor, Gil and Le Donne, Enrico and Montgomery, Richard and Sachkov, Yuri },
  title = { Bicycle paths, elasticae and sub-Riemannian geometry },
  journal = {  },
  year = { 2020 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4925/ },
  note = { cvgmt preprint}
}