Journal of Combinatorial Optimization · 2011 · 25 citations · 10 references
Natural SciencesMathematicsCombinatoricsEnumerative CombinatoricsGraph ColoringGraph TheoryChromatic PolynomialsColoring Theorems
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The $L(2,1)$-Labeling Problem on Graphs
Gerard J. Chang, David Kuo · SIAM Journal on Discrete Mathematics · 1996 · 371 citations
On the injective chromatic number of graphs
Geňa Hahn, Jan Kratochvı́l, Jozef Širáň et al. · Discrete Mathematics · 2002 · 134 citations