@Misc{ 
  Alb13,
  author = { Farina, Alberto },
  title = { Some symmetry results for entire solutions of an elliptic system arising in phase separation },
  journal = {  },
  year = { 2013 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2104/ },
  note = { cvgmt preprint}
}