Hu Y, Wei Z, Yuan G. Inexact Accelerated Proximal Gradient Algorithms For Matrix l_{2,1}-Norm Minimization Problem in Multi-Task Feature Learning. Stat., optim. inf. comput. [Internet]. 2014Nov.21 [cited 2024Apr.24];2(4):352-67. Available from: http://iapress.org/index.php/soic/article/view/20141206