@inproceedings{matrixcapsuleswithemrouting,
  title = {Matrix capsules with EM routing},
  author = {Geoffrey E. Hinton and Sara Sabour and Nicholas Frosst},
  year = {2018},
  booktitle = {ICLR 2018 1},
  url = {https://openreview.net/forum?id=HJWLfGWRb},
}