[1] BOLLOBÁS B.: Extremal graph theory. Academic Press, London 1978. MR 0506522

[2] BOSÁK J.: Hamiltonian lines in cubic graphs. In: Théorie des graphes (Proc. Symp. Rome 1966). Dunod, Paris 1967, 35-46. MR 0221970

[3] BOSÁK J.: Enumeration of uniquely edge colourable multigraphs. In: Graphs and other combinatorial topics (Proc. Symp. Prague 1982). Teubner, Leipzig 1984, to appear. MR 0737010

[4] COMTET L.: Analyse combinatoire. I. Press Univ. de France, Paris 1970. MR 0262087

[5] FIORINI S.: On the chromatic index of a graph. III. Uniwuely edge-colourable graphs. Ouart. J. Math. Oxford (3), 26, 1975, 129-140. MR 0371708 | Zbl 0312.05104

[6] FIORINI S.: Un grafo cubico, non-planare, unicamente tricolorabile, di vita 5. Calcolo 13, 1976, 105-108. MR 0450109 | Zbl 0339.05104

[7] FIORINI S., WILSON R. J.: Edge colourings of graphs. Pitman, London 1977. MR 0543798 | Zbl 0421.05023

[8] GREENWELL D. L., KRONK H. V.: Uniquely line colorable graphs. Canad. Math. Bull. 16 (4), 1973, 525-529. MR 0347656 | Zbl 0275.05107

[9] HALL M., Jr.: Combinatorial theory. Blaisdell, Waltham, Mass. 1967. MR 0224481 | Zbl 0196.02401

[10] IZBICKI H.: Zulässige Kantenfärbungen von pseudo-regulären Graphen 3. Grades mit der Kantenfarbenzahl 3. Monatsh. Math. 66, 1962, 424-430. MR 0144333 | Zbl 0106.16803

[11] IZBICKI H.: Zulässige Kantenfärbungen von pseudo-regulären Graphen mit minimalen Kanten-farbenzahl. Monatsh. Math. 67, 1963, 25-31. MR 0148048

[12] NINČÁK J.: Hamiltonian circuits in cubic graphs. Comm. Math. Univ. Carol. 15, 1974, 627-630. MR 0354444

[13] THOMASON A. G.: Hamiltonian cycles and uniquely edge colourable graphs. In: Advances in Graph Theory, Ann. Discr. Math. 3. North-Holland, Amsterdam 1978, 259-268. MR 0499124 | Zbl 0382.05039

[14] THOMASON A. G.: Cubic graphs with three Hamiltonian cycles are not always uniquely edge colorable. J. Graph Theory 6, 1982, 219-221. MR 0655209 | Zbl 0495.05025

[15] TUTTE W. T.: Hamiltonian circuits. In: Colloquio Internazionale sulle Teorie Combinatoire, Atti Convegni Liпcei 17. Accad. Naz. Lincei, Roma 1976, 193-199. MR 0480185 | Zbl 0347.05110

[16] WILSON R. J.: Problem 2. In: Proc. Fifth British Cornbinatorial Conf. Utilitas Math., Winnipeg 1976, 696.

[17] WILSON R. J.: Edge-colourings of graphs - a survey. In: Theory and applications of graphs (Proc. Conf. Kalamazoo 1976). Springer, Berlin 1978, 608-619. MR 0491306