%0 Journal Article %A Lewkowicz, Marek Kazimierz %T Coloring Four-uniform Hypergraphs on Nine Vertices %J Canadian mathematical bulletin %D 2015 %P 317-319 %V 58 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2015-008-7/ %R 10.4153/CMB-2015-008-7 %F 10_4153_CMB_2015_008_7