@Article{ 
  BelNov99,
  author = { Bellettini, Giovanni and Novaga, Matteo },
  title = { A result on motion by mean curvature in arbitrary codimension },
  journal = { J. Differential Geom. and its Appl. },
  year = { 1999 },
  volume = { 11 },
  pages = { 205-220 },
  URL = { http://cvgmt.sns.it/paper/2695/ },
  note = { cvgmt preprint}
}