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@article{MAN_1973__201_162379, author = {G.A. Dirac}, title = {On {Systems} of {Paths} and {Circuits} in {Graphs.}}, journal = {Mathematische Annalen}, pages = {133--144}, publisher = {mathdoc}, volume = {201}, year = {1973}, zbl = {0234.05113}, url = {http://geodesic.mathdoc.fr/item/MAN_1973__201_162379/} }
G.A. Dirac. On Systems of Paths and Circuits in Graphs.. Mathematische Annalen, Tome 201 (1973), pp. 133-144. http://geodesic.mathdoc.fr/item/MAN_1973__201_162379/