@Article{gjrt-ai15,
  Title                    = {Variable symmetry breaking in numerical constraint problems},
  Author                   = {A. Goldsztejn and C. Jermann and V. {Ruiz de Angulo} and C. Torras},
  Journal                  = {Artificial Intelligence},
  Year                     = {2015},
  Month                    = {12},
  Pages                    = {105-125},
  Volume                   = {229}
}