%0 Journal Article %A H. A. Kierstead %A W. T. Trotter %T Competitive colorings of oriented graphs %J The electronic journal of combinatorics %D 2001 %V 8 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/1611/ %R 10.37236/1611 %F 10_37236_1611