@Article{ 
  Men21,
  author = { Mennucci, Andrea C. G. },
  title = { Neighborhoods and manifolds of immersed curves },
  journal = { International Journal of Mathematics and Mathematical Sciences },
  year = { 2021 },
  doi = { 10.1155/2021/6974292 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5355/ },
  note = { cvgmt preprint}
}