@article{GDZPPN002307464, title = {On Systems of Paths and Circuits in Graphs.}, journal = {Mathematische Annalen}, volume = {201}, year = {1973}, pages = {133-144}, zbl = {0234.05113}, url = {http://dml.mathdoc.fr/item/GDZPPN002307464} }
Dirac, G.A. On Systems of Paths and Circuits in Graphs.. Mathematische Annalen, Tome 201 (1973) pp. 133-144. http://gdmltest.u-ga.fr/item/GDZPPN002307464/