@article{MS2_1983__52_166829,
     author = {H. Tverberg},
     title = {On {Brooks'} theorem and some related results.},
     journal = {Mathematica Scandinavica},
     pages = {37--40},
     publisher = {mathdoc},
     volume = {52},
     year = {1983},
     zbl = {0512.05028},
     url = {http://geodesic.mathdoc.fr/item/MS2_1983__52_166829/}
}