On partially directed -graphs
Pavol Híc (1984)
Mathematica Slovaca
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Pavol Híc (1984)
Mathematica Slovaca
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Bohdan Zelinka (1974)
Aplikace matematiky
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Bullock, Frank, Dankelmann, Peter, Frick, Marietjie, Henning, Michael A., Oellermann, Ortrud R., van Aardt, Susan (2011)
The Electronic Journal of Combinatorics [electronic only]
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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).
Fujita, Shinya, Magnant, Colton (2011)
The Electronic Journal of Combinatorics [electronic only]
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