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On mapping graphs and permutation graphs. (English) Zbl 0421.05035

05C25 Graphs and abstract algebra (groups, rings, fields, etc.)
05C99 Graph theory
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[1] BEHZAD M., CHARTRAND G.: Introduction to the Theory of Graphs. Allyn and Bacon, Boston 1971, · Zbl 0238.05101
[2] CHARTRAND G., FRECHEN J. B.: On the chromatic number of permutation graphs. Proof Techniques in Graph Theory, Academic Press, New York 1969, 21-24. · Zbl 0199.59401
[3] CHARTRAND G., HARARY F.: Planar permutation graphs. Ann. Inst. Henri Poincare Sec. B 3, 1967, 433-438. · Zbl 0162.27605
[4] HARARY F.: Graph Theory. Addison Wesley, Reading 1969. · Zbl 0196.27202
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