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@article{MAN_1969__182_161859, author = {G. CHARTRAND and M.J. STEWART}, title = {The {Connectivity} of {Line-Graphs.}}, journal = {Mathematische Annalen}, pages = {170--174}, publisher = {mathdoc}, volume = {182}, year = {1969}, zbl = {0167.52203}, url = {http://geodesic.mathdoc.fr/item/MAN_1969__182_161859/} }
G. CHARTRAND; M.J. STEWART. The Connectivity of Line-Graphs.. Mathematische Annalen, Tome 182 (1969), pp. 170-174. http://geodesic.mathdoc.fr/item/MAN_1969__182_161859/