Open Mathematics > 2013 > 11 > 7 > 1344-1357
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journal ISSN : | 2391-5455 |
DOI | 10.2478/s11533-013-0237-5 |
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[1] Brešar B., Klavžar S., Rall D.F., On the packing chromatic number of Cartesian products, hexagonal lattice, and trees, Discrete Appl. Math., 2007, 155(17), 2303–2311 http://dx.doi.org/10.1016/j.dam.2007.06.008[Crossref][WoS]
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[2] Chartrand G., Lesniak L., Zhang P., Graphs & Digraphs, 5th ed., CRC Press, Boca Raton, 2011
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[3] Ekstein J., Fiala J., Holub P., Lidický B., The packing chromatic number of the square lattice is at least 12, available at http://arxiv.org/abs/1003.2291