%0 Journal Article %A Yaoping Hou %A Tiangang Lei %T Characteristic polynomials of skew-adjacency matrices of oriented graphs %J The electronic journal of combinatorics %D 2011 %V 18 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/643/ %R 10.37236/643 %F 10_37236_643