@article{onthesamplecomplexityofdatadriven,
  title = {On the Sample Complexity of Data-Driven Inference of the $\mathcal{L}_2$-gain},
  year = {2020},
  eprint = {2003.00238},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/2003.00238v3},
}