Trung, N. H., Anh, N. T., Duc, N. M., Binh, D. T., & Tan, L. T. (2017). SYSTEM THEORY BASED MULTIPLE BEAMFORMING. <i>Vietnam Journal of Science and Technology</i>, <i>55</i>(5), 637. https://doi.org/10.15625/2525-2518/55/5/9149