@article{10_21136_CPM_1973_117794,
     author = {Nebesk\'y, Ladislav},
     title = {On the line graph of the square and the square of the line graph of a connected graph},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {285--287},
     publisher = {mathdoc},
     volume = {098},
     number = {3},
     year = {1973},
     doi = {10.21136/CPM.1973.117794},
     mrnumber = {0323630},
     zbl = {0263.05114},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1973.117794/}
}