[1] M. Behzad, G. Chartrand: Introduction to the Theory of Graphs. Allyn and Bacon, Boston 1971. MR 0432461 | Zbl 0238.05101

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

[3] F. Harary, C. St. J. A. Nash-Williams: On eulerian and hamiltonian graphs and line graphs. Canadian Math. Bull. 8 (1965), 701 - 709. DOI 10.4153/CMB-1965-051-3 | MR 0191839 | Zbl 0136.44704

[4] L. Nebeský: A theorem on hamiltonian line graphs. Comment. Math. Univ. Carolinae 14 (1973), 107-112. MR 0382068