%0 Journal Article %A Nebeský, Ladislav %T A theorem on Hamiltonian line graphs %J Commentationes Mathematicae Universitatis Carolinae %D 1973 %P 107-112 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1973__14_1_a9/ %G en %F CMUC_1973__14_1_a9