%% -*-BibTeX-*-


@InProceedings{CaPe01a,
  author       = "T. Calamoneri and R. Petreschi",
  booktitle    = "Proceedings of the 5th ACM DIAL-M",
  title        = "The ${L}(2, 1)$-Labeling of Planar Graphs",
  pages        = "28--33",
  year         = "2001",
  language     = "English",
}