@article{thelinearconditionalexpectationinhilbert,
  title = {The linear conditional expectation in Hilbert space},
  author = {Ilja Klebanov and Björn Sprungk and T. J. Sullivan},
  year = {2020},
  eprint = {2008.12070},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2008.12070v2},
}