@article{MS2_1976__38_166469,
     author = {Tudor Zamfirescu},
     title = {On longest paths and circuits in graphs.},
     journal = {Mathematica Scandinavica},
     pages = {211--239},
     publisher = {mathdoc},
     volume = {38},
     year = {1976},
     zbl = {0337.05127},
     url = {http://geodesic.mathdoc.fr/item/MS2_1976__38_166469/}
}