1. The skew energy of a digraph;Adiga;Linear Algebra Appl.,2010
2. Skew spectra of oriented bipartite graphs;Anuradha;Electron. J. Combin.,2013
3. Introduction to Analytic Number Theory;Apostol,1980
4. Spectra of Graphs: Theory and Application;Cvetkovic,1980
5. A Text-Book of Determinants, Matrices and Algebraic Forms;Ferrar,1953