Jianlan Jia, Zhiquan Bai, Xianglai Yang, Juan Cui, Kyungsup Kwak. Lagrange multiplier based power minimization algorithm with relay selection in cooperative system. In Fourth International Conference on Ubiquitous and Future Networks, ICUFN 2012, Puket, Thailand, July 4-6, 2012. pages 123-127, IEEE, 2012. [doi]