Benner, Peter Computational Methods in Systems and Control Theory, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Benner, P., Faßbender, H., & Yang, C. (2018). Some Remarks on the Complex J-Symmetric Eigenproblem. Linear Algebra and Its Applications, 544, 407-442. doi:10.1016/j.laa.2018.01.014.