@article{MS2_1977__40_166524,
     author = {Lars Dovling Andersen},
     title = {On edge-colorings of graphs.},
     journal = {Mathematica Scandinavica},
     pages = {161--175},
     year = {1977},
     volume = {40},
     zbl = {0373.05035},
     url = {http://geodesic.mathdoc.fr/item/MS2_1977__40_166524/}
}