%0 Journal Article %A Nebeský, Ladislav %T On the line graph of the square and the square of the line graph of a connected graph %J Časopis pro pěstování matematiky %D 1973 %P 285-287 %V 098 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1973.117794/ %R 10.21136/CPM.1973.117794 %G en %F 10_21136_CPM_1973_117794