Xin-Lei Feng and Ting-Zhu Huang, Some Results of Sign patterns Allowing Simultaneous Unitary Diagonalizability. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. August 2011, vol. 56(8). 1252 - 1254 [viewed 19 March 2024]. Available from: https://publications.waset.org/pdf/4177.