@article{KYB_1974_10_6_a2,
     author = {Nieminen, U. J.},
     title = {A viewpoint to the minimum coloring problem of hypergraphs},
     journal = {Kybernetika},
     pages = {504--508},
     year = {1974},
     volume = {10},
     number = {6},
     mrnumber = {0369132},
     zbl = {0304.05127},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1974_10_6_a2/}
}