So, C. C., T. O. Li, C. Wu, and S. P. Yung. “Differential Spectral Normalization (DSN) for PDE Discovery”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 11, May 2021, pp. 9675-84, doi:10.1609/aaai.v35i11.17164.