@Misc{ 
  YezMen4,
  author = { Mennucci, A. and Yezzi, A. },
  title = { Metrics in the space of curves },
  journal = {  },
  year = { 2004 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5444/ },
  note = { cvgmt preprint}
}