@article{GDZPPN002301415,
title = {The Connectivity of Line-Graphs.},
journal = {Mathematische Annalen},
volume = {180},
year = {1969},
pages = {170-174},
zbl = {0167.52203},
url = {http://dml.mathdoc.fr/item/GDZPPN002301415}
}
CHARTRAND, G.; STEWART, M.J. The Connectivity of Line-Graphs.. Mathematische Annalen, Tome 180 (1969) pp. 170-174. http://gdmltest.u-ga.fr/item/GDZPPN002301415/