@article{RO_2005__39_2_123_0,
     author = {R\'egin, Jean-Charles and Rueher, Michel},
     title = {Inequality-sum : a global constraint capturing the objective function},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {123--139},
     publisher = {EDP-Sciences},
     volume = {39},
     number = {2},
     year = {2005},
     doi = {10.1051/ro:2005007},
     mrnumber = {2181795},
     zbl = {1104.90051},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ro:2005007/}
}