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The Hyper-Zagreb Index of Trees and Unicyclic Graphs. (arXiv:1808.10441v1 [math.CO]) http://arxiv.org/abs/1808.10441
The Hyper-Zagreb Index of Trees and Unicyclic Graphs. (arXiv:1808.10441v1 [math.CO]) http://arxiv.org/abs/1808.10441