@article{DMGT_2013_33_2_a17,
     author = {Sereni, Jean-S\'ebastien and Yilma, Zelealem B.},
     title = {A {Tight} {Bound} on the {Set} {Chromatic} {Number}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {461--465},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2013_33_2_a17/}
}