Chen, W., Z. Huang, R. Cai, Z. Hao, and K. Zhang. “Identification of Causal Structure With Latent Variables Based on Higher Order Cumulants”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 38, no. 18, Mar. 2024, pp. 20353-61, doi:10.1609/aaai.v38i18.30017.