Cruceru, C., G. Becigneul, and O.-E. Ganea. “Computationally Tractable Riemannian Manifolds for Graph Embeddings”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 8, May 2021, pp. 7133-41, doi:10.1609/aaai.v35i8.16877.