TY - JOUR AU - Yaoping Hou AU - Tiangang Lei TI - Characteristic polynomials of skew-adjacency matrices of oriented graphs JO - The electronic journal of combinatorics PY - 2011 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/643/ DO - 10.37236/643 ID - 10_37236_643 ER -