@article{MAN_1972__197_162268,
     author = {G.A. Dirac},
     title = {On {Hamilton} {Circuits} and {Hamilton} {Paths.}},
     journal = {Mathematische Annalen},
     pages = {57--70},
     publisher = {mathdoc},
     volume = {197},
     year = {1972},
     zbl = {0222.05114},
     url = {http://geodesic.mathdoc.fr/item/MAN_1972__197_162268/}
}