Jing-ran Lin and  Qi-cong Peng and  Huai-zong Shao,  Near-Field Robust Adaptive Beamforming Based on Worst-Case Performance Optimization.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2008, vol. 16(4). 712 - 718
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/7096.