@article{10_37236_643,
     author = {Yaoping Hou and Tiangang Lei},
     title = {Characteristic polynomials of skew-adjacency matrices of oriented graphs},
     journal = {The electronic journal of combinatorics},
     year = {2011},
     volume = {18},
     number = {1},
     doi = {10.37236/643},
     zbl = {1236.05093},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/643/}
}