Cheng, Wanyou, and Qingjie Hu. “Nonmonotone Spectral Gradient Method for l_1-Regularized Least Squares”. Statistics, Optimization & Information Computing 4, no. 3 (August 30, 2016): 265-277. Accessed November 15, 2024. http://47.88.85.238/index.php/soic/article/view/20160906.