@inproceedings{10.4204/eptcs.372.24,
  title = "A Graphical Calculus for Lagrangian Relations",
  author = "Cole Comfort and Aleks Kissinger",
  year = "2022",
  url = "https://arxiv.org/pdf/2105.06244",
  doi = "10.4204/eptcs.372.24",
}