Intersection Graphs of Graphs
Bohdan Zelinka (1975)
Matematický časopis
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Bohdan Zelinka (1975)
Matematický časopis
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Wang, Ping, Xu, Baoguang, Wang, Jianfang (2003)
The Electronic Journal of Combinatorics [electronic only]
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Bohdan Zelinka (1987)
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Vajk Szécsi (2013)
Open Mathematics
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A nearly sharp lower bound on the length of the longest trail in a graph on n vertices and average degree k is given provided the graph is dense enough (k ≥ 12.5).