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"The L(2, 1)-labeling of unigraphs."
Tiziana Calamoneri, Rossella Petreschi (2011)
- Tiziana Calamoneri, Rossella Petreschi:
The L(2, 1)-labeling of unigraphs. Discret. Appl. Math. 159(12): 1196-1206 (2011)
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