Reconfiguration of List $L(2,1)$-Labelings in a Graph. Ito, T., Kawamura, K., Ono, H., & Zhou, X. Theoretical Computer Science, 544:84–97, 2014.
doi  bibtex   
@article{journals/tcs/ItoKOZ14,
	title         = {{Reconfiguration of List $L(2,1)$-Labelings in a Graph}},
	author        = {Takehiro Ito and Kazuto Kawamura and Hirotaka Ono and Xiao Zhou},
	year          = {2014},
	journal       = {Theoretical Computer Science},
	volume        = {544},
	pages         = {84--97},
	doi           = {10.1016/j.tcs.2014.04.011}
}

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