@Article{ 
  Far15,
  author = { Farina, Alberto },
  title = { A Bernstein-type result for the minimal surface equation },
  journal = { Ann. Sc. Norm. Super. Pisa Cl. Sci. },
  year = { 2015 },
  volume = { Vol. XIV },
  pages = { 1231-1237 },
  URL = { http://cvgmt.sns.it/paper/2896/ },
  note = { cvgmt preprint}
}