[1] Berge С: Théorie des Graphes et Ses Applications. DUNOD Paris, 1958.
[2] Ore О.:
Theory of Graphs. American Mathematical Society Colloquium Publications, Vol. XXXVIII, Providence, Rhode Island, 1962.
MR 0150753 |
Zbl 0105.35401
[3] Hlavička J.: Race-free assignment in asynchronous switching circuits. Information Processing Machines No 13, 1967.