@Misc{ 
  CanSeg21,
  author = { Canevari, Giacomo and Segatti, Antonio },
  title = { Motion of vortices for the extrinsic Ginzburg-Landau flow for vector  fields on surfaces },
  journal = { Discrete Contin. Dyn. Syst. Ser. S },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5677/ },
  note = { cvgmt preprint}
}