%0 Journal Article %A Rani Hod %A Marcin Krzywkowski %T A construction for the hat problem on a directed graph %J The electronic journal of combinatorics %D 2012 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/1994/ %R 10.37236/1994 %F 10_37236_1994