@article{11:56,author={Aapo Hyvrinen and Kun Zhang and Shohei Shimizu and Patrik O. Hoyer}, Title={Estimation of a Structural Vector Autoregression Model Using Non-Gaussianity},journal={Journal of Machine Learning Research},volume={11}, url={http://www.jmlr.org/papers/volume11/hyvarinen10a/hyvarinen10a.pdf}}