@Misc{ 
  farval10b,
  author = { Farina, Alberto and Valdinoci, Enrico },
  title = { A pointwise gradient bound for elliptic equations on compact manifolds with nonnegative Ricci curvature },
  journal = { Discrete and Continuous Dynamical System - Series A },
  year = { 2011 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1216/ },
  note = { cvgmt preprint}
}