@inproceedings{riemannianstochasticrecursivegradient,
  title = {Riemannian Stochastic Recursive Gradient Algorithm with Retraction and Vector Transport and Its Convergence Analysis},
  author = {Hiroyuki Kasai and Hiroyuki Sato and Bamdev Mishra},
  year = {2018},
  booktitle = {ICML 2018 7},
  url = {https://icml.cc/Conferences/2018/Schedule?showEvent=2109},
}