Mohamed, Khidir Shaib, and Yousif Shoaib Mohammed. “An Online Gradient Method With Smoothing L_0 Regularization for Pi-Sigma Network”. Transactions on Engineering and Computing Sciences 6, no. 6 (December 31, 2018): 96. Accessed May 7, 2026. https://scholarpublishing.org/journals/index.php/TECS/article/view/2096.