@article{JEMS_2015_17_4_a1,
     author = {Pavle V.M. Blagojevi\'c and Benjamin Matschke and G\"unter M. Ziegler},
     title = {Optimal bounds for the colored {Tverberg} problem},
     journal = {Journal of the European Mathematical Society},
     pages = {739--754},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {2015},
     doi = {10.4171/jems/516},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/516/}
}