@Misc{ 
  Mra20,
  author = { Mramor, Alexander },
  title = { An unknottedness result for self shrinkers with multiple ends },
  journal = {  },
  year = { 2020 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6929/ },
  note = { cvgmt preprint}
}