@article{RO_2018__52_3_807_0,
     author = {Gueham, Assia and Nagih, Anass and Haddadene, Hacene Ait and Masmoudi, Malek},
     title = {Graph coloring approach with new upper bounds for the chromatic number: team building application},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {807--818},
     publisher = {EDP-Sciences},
     volume = {52},
     number = {3},
     year = {2018},
     doi = {10.1051/ro/2016069},
     mrnumber = {3868446},
     zbl = {1403.05046},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ro/2016069/}
}