@article{02099158,
title = {A note on upper bound for chromatic number of a graph.},
journal = {Acta Mathematica Universitatis Comenianae. New Series},
volume = {71},
year = {2002},
pages = {1-2},
zbl = {1046.05034},
language = {en},
url = {http://dml.mathdoc.fr/item/02099158}
}
Stacho, L. A note on upper bound for chromatic number of a graph.. Acta Mathematica Universitatis Comenianae. New Series, Tome 71 (2002) pp. 1-2. http://gdmltest.u-ga.fr/item/02099158/