@article{MS2_1972__31_166280,
     author = {Gabriel Dirac},
     title = {On {Arbitrarily} {Traceable} {Graphs.}},
     journal = {Mathematica Scandinavica},
     pages = {319--378},
     year = {1972},
     volume = {31},
     zbl = {0259.05119},
     url = {http://geodesic.mathdoc.fr/item/MS2_1972__31_166280/}
}