@article{HellwigRautenbachVolkmann2013,
  author    = {Angelika Hellwig and Dieter Rautenbach and Lutz Volkmann},
  title     = {Note on the connectivity of line graphs},
  journal   = {Information processing letters},
  volume    = {Vol. 91},
  number    = {Iss. 1},
  pages     = {7 -- 10},
  year      = {2013},
}