@Article{ 
  BevLusMar21,
  author = { Bevilacqua, Giulia and Lussardi, Luca and Marzocchi, Alfredo },
  title = { Variational analysis of inextensible elastic curves },
  journal = { PRSA },
  year = { 2022 },
  doi = { https://doi.org/10.1098/rspa.2021.0741 },
  volume = { 478 },
  pages = { 20210741 },
  URL = { http://cvgmt.sns.it/paper/5149/ },
  note = { cvgmt preprint}
}