@Article{ 
  MonVit14,
  author = { Monti, Roberto and Vittone, Davide },
  title = { Height estimate and slicing formulas in the Heisenberg group },
  journal = { Analysis and PDE },
  year = { 2015 },
  doi = { DOI: 10.2140/apde.2015.8.1421 },
  volume = { 8 },
  number = { 6 },
  pages = { 1321-1454 },
  URL = { http://cvgmt.sns.it/paper/2530/ },
  note = { cvgmt preprint}
}