@Article{ 
  betboubre01,
  author = { Bethuel, Fabrice and Bourgain, Jean and Brezis, Haim and Orlandi, Giandomenico },
  title = { $W^{1,p}$ estimates for solutions to the Ginzburg-Landau equation with boundary data in $H^{1/2}$ },
  journal = { C.R. Acad. Sc. Paris Serie 1 },
  year = { 2001 },
  volume = { 333 },
  number = { 12 },
  pages = { 1069-1076 },
  URL = { http://cvgmt.sns.it/paper/602/ },
  note = { cvgmt preprint}
}