Yang, Yibo, Jianlong Wu, Hongyang Li, Xia Li, Tiancheng Shen, and Zhouchen Lin. “Dynamical System Inspired Adaptive Time Stepping Controller for Residual Network Families”. Proceedings of the AAAI Conference on Artificial Intelligence 34, no. 04 (April 3, 2020): 6648-6655. Accessed April 22, 2021. https://ojs.aaai.org/index.php/AAAI/article/view/6141.