The following publications are possibly variants of this publication:
- Fast exact algorithm for L(2, 1)-labeling of graphsKonstanty Junosza-Szaniawski, Jan Kratochvíl, Mathieu Liedloff, Peter Rossmanith, Pawel Rzazewski. TCS, 505:42-54, 2013. [doi]
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- Exact Algorithms for ::::L:::: (2, 1)-Labeling of GraphsJan Kratochvíl, Dieter Kratsch, Mathieu Liedloff. mfcs 2007: 513-524 [doi]
- On Improved Exact Algorithms for ::::L::::(2, 1)-Labeling of GraphsKonstanty Junosza-Szaniawski, Pawel Rzazewski. iwoca 2011: 34-37 [doi]
- On the complexity of exact algorithm for L(2, 1)-labeling of graphsKonstanty Junosza-Szaniawski, Pawel Rzazewski. ipl, 111(14):697-701, 2011. [doi]