@InProceedings{Brlek08a,
  author = 	 {S. Brlek and J.-O. Lachaud and X. Proven\c{c}al},
  title = 	 {Combinatorial view of digital convexity},
  booktitle = {Proc. Int. Conf. Discrete Geometry for Computer Imagery (DGCI'2008), Lyon, France},
  year = 	 {2008},
  editor = 	 {D. Coeurjolly and I. Sivignon and L. Tougne and F. Dupont},
  month = apr,
  volume = 4992,
  pages = {57-68},
  series = 	 {LNCS},
  publisher = {Springer},
  keywords="digital convexity, word combinatorics, Lyndon words, Christoffel words, convexity test"
}