@Comment {Mon, 24 Jul 2017 22:48:42 GMT}

@Article {CReSTIC-2941,
  author     = {Mazo, Lo{\"\i}c and Passat, Nicolas and Couprie, Michel and Ronse, Christian},
  title      = {Paths, homotopy and reduction in digital images.},
  journal    = {Acta Applicandae Mathematicae},
  publisher  = {Springer},
  volume     = 113,
  number     = 2,
  pages      = 167--193,
  year       = 2011
}