A remark on a problem of Harary

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A remark on a problem of Harary. (English). Czechoslovak Mathematical Journal, vol. 20 (1970), issue 1, pp. 109-111

MSC: 05.40 | MR 0266791 | Zbl 0197.50203

References:

[1] F. Harary: Problem 16. p. 161, Theory of Graphs and Its Applications, edited by M. Fiedler, Czechoslovak Academy of Sciences, Prague 1964.

[2] F. Harary: Graph Theory. Addison-Wesley, Reading, Mass. 1969. MR 0256911 | Zbl 0196.27202

[3] F. Harary R. M. Karp, W. T. Tutte: A Criterion for Planarity of the Square of a Graph. J. Combinatorial Theory 2 (1967), 395-405. MR 0216976

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