1.
Hou Y, Lei T. Characteristic Polynomials of Skew-Adjacency Matrices of Oriented Graphs. Electron. J. Combin. [Internet]. 2011Aug.5 [cited 2026Mar.27];18(1):P156. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v18i1p156