Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Liang Liu and Rui Zhang and Kee-Chaing Chua,Achieving Global Optimality for Weighted Sum-Rate Maximization in the K-User Gaussian Interference Channel with Multiple Antennas,IEEE Transactions on Wireless Communications,1536-1276,Institute of Electrical and Electronics Engineers (IEEE),2012-05,11,5,1933-1945,https://cir.nii.ac.jp/crid/1361418519574434560,https://doi.org/10.1109/twc.2012.031212.111585