Huang, H., J. Zhang, J. Zhang, Q. Wu, and C. Xu. “PTN: A Poisson Transfer Network for Semi-Supervised Few-Shot Learning”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 2, May 2021, pp. 1602-9, doi:10.1609/aaai.v35i2.16252.