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"On the chromatic number of the lexicographic product and the Cartesian sum ..."
Niko Cizek, Sandi Klavzar (1994)
- Niko Cizek, Sandi Klavzar:
On the chromatic number of the lexicographic product and the Cartesian sum of graphs. Discret. Math. 134(1-3): 17-24 (1994)
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