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Polar graphs and railway traffic. (English) Zbl 0283.05116


MSC:

05C99 Graph theory
90B20 Traffic problems in operations research
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References:

[1] J. Černý: Applications of the graph theory in the railway traffic. (Aplikácie teorie grafov v železničnej dopravě.) Lecture at the Conference on Graph Theory at Štiřín in May 1972.
[2] O. Ore: Theory of Graphs. Providence 1962. · Zbl 0105.35401
[3] B. Zelinka: Isomorphisms of polar and polarized graphs. Czech. Math. J. · Zbl 0341.05121
[4] B. Zelinka: Analoga of Menger’s Theorem for polar and polarized graphs. Czech. Math. J. · Zbl 0341.05122
[5] F. Zítek: Polarized graphs. (Polarisované grafy.) Lecture at the Conference on Graph Theory at Štiřín in May 1972.
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