WASET
    Wei-Chih Su and Kuan-Peng Chen and Ming-Chung Tsai and Zheng-Yao Su,  A Decomposition Method for the Bipartite Separability of Bell Diagonal States.   journal   = {International Journal of Nuclear and Quantum Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2011, vol. 52(4). 624 - 627
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/1777.