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@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/} }
H. Tverberg. On Brooks' theorem and some related results.. Mathematica Scandinavica, Tome 52 (1983), pp. 37-40. http://geodesic.mathdoc.fr/item/MS2_1983__52_166829/