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On transversal numbers of intersecting straight line systems and intersecting segment systems. (arXiv:2101.04708v1 [math.CO]) http://arxiv.org/abs/2101.04708
On transversal numbers of intersecting straight line systems and intersecting segment systems. (arXiv:2101.04708v1 [math.CO]) http://arxiv.org/abs/2101.04708