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On the structure of the point arboricity critical graphs. (English) Zbl 0463.05042
MSC:
05C15 Coloring of graphs and hypergraphs
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References:
[1] GALLAI T.: Kritische Graphen I. Publ. Math. Inst. Hung. Acad. Sc., 8, 1963, 165-192. · Zbl 0121.18401
[2] HARARY F.: Graph Theory. Addison-Wesley, Reading, Mass. 1969. · Zbl 0196.27202
[3] CHARTRAND G., KRONK H. V., WALL C. E.: The point-arboricity of a graph. Israel J. Math., 6, 1968, 169-175. · Zbl 0164.54201
[4] CHARTRAND G., KRONK H. V.: The point-arboricity of planar graphs. J. London Math. Soc., 44, 1969, 612-616. · Zbl 0175.50505
[5] KRONK H. V., MITCHEM J.: Critical point-arboritic graphs. J. London Math. Soc., (2) 9, 1975, 459-466. · Zbl 0298.05132
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