@Misc{ 
  Sar24,
  author = { Saracco, Giorgio },
  title = { Geometric criteria for the existence of capillary surfaces in tubes },
  journal = { Expo. Math. },
  year = { 2024 },
  doi = { 10.1016/j.exmath.2024.125547 },
  volume = { 42 },
  number = { 3 },
  pages = { 125547 },
  URL = { http://cvgmt.sns.it/paper/6436/ },
  note = { cvgmt preprint}
}