@Article{ 
  boubutfra99,
  author = { Bouchitté, Guy and Buttazzo, Giuseppe and Fragalà, Ilaria },
  title = { Convergence of Sobolev Spaces on Varying Manifolds },
  journal = { J. Geom. Anal. },
  year = { 2001 },
  volume = { 11 },
  number = { 3 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/653/ },
  note = { cvgmt preprint}
}