Literature cited
C. Berge, The Theory of Graphs and Its Applications, John Wiley & Sons, New York (1962).
L. R. Ford and D. R. Flukerson, Flows in Networks [Russian translation], Mir, Moscow (1966).
A. E. Yurtsun', “On the principles of counting numbers of graphs,” Ukrainsk. Matem. Zh.,18, No, 5 (1966).
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Translated from Ukrainskii Matematicheskii Zhurnal No. 1, pp. 129–131, January–February, 1970.
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Yurtsun', A.E. Determination of the number of single-valued mappings containing a given equivalence. Ukr Math J 22, 111–113 (1970). https://doi.org/10.1007/BF01086710
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DOI: https://doi.org/10.1007/BF01086710