@Misc{ 
  DonWoj17,
  author = { Dondl, Patrick and Wojtowytsch, Stephan },
  title = { On the Boundary Regularity of Phase-Fields for Willmore's Energy },
  journal = {  },
  year = { 2017 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4040/ },
  note = { cvgmt preprint}
}