@Article{PapariPetkovCampisi, 
  author = {Papari, Giuseppe and Petkov, Nicolai and Campisi, Patrizio},
  title = {Artistic Edge and Corner Preserving Smoothing},
  journal = {IEEE Transactions on Image Processing},
  year = {2007},
  volume = {29},
  issue = {9}
  pages = {###--###},
}