[1] BOSÁK J.: Hamiltonian lines in cubic graphs. Theory of graphs (Proc. Int. Symp. Rome, July 1966, ed. P. Hosenstiehl), Gordon and Breach, New York, 1967, 35-46. MR 0221970

[2] CASTANGA F., PRINS G.: Every generalized Peterson graph has a fait coloring. Pacif. J. Math. 40 (1972), 53-58. MR 0304223