@article{KaUlVo19,
  author = {K\"{a}mmerer, Lutz and Ullrich, Tino and Volkmer, Toni},
  title = {{W}orst case recovery guarantees for least squares approximation using random samples},
  journal = {Constr. Approx.},
  fjournal = {Constructive Approximation},
  volume = {54},
  year = {2021},
  pages = {295-352},
  doi = {10.1007/s00365-021-09555-0},
  url = {https://doi.org/10.1007/s00365-021-09555-0},
}