@Article{ 
  kovlap,
  author = { Kovarik, Hynek and Laptev, Ari },
  title = { Hardy inequalities for Robin Laplacians },
  journal = { J. Funct. Anal. },
  year = { 2012 },
  volume = { 262 },
  pages = { 4972–4985. },
  URL = { http://cvgmt.sns.it/paper/576/ },
  note = { cvgmt preprint}
}