@article{5:28,author={Andreas Ziehe and Pavel Laskov and Guido Nolte and Klaus-Robert Mller}, Title={A Fast Algorithm for Joint Diagonalization with Non-orthogonal Transformations and its Application to Blind Source Separation},journal={Journal of Machine Learning Research},volume={5}, url={http://www.jmlr.org/papers/volume5/valentini04a/valentini04a.pdf}}