@article{Reich2013,
  author    = {Sebastian Reich},
  title     = {A nonparametric ensemble transform method for bayesian inference},
  journal   = {SIAM journal on scientific computing},
  volume    = {35},
  number    = {4},
  pages     = {A2013 -- A2024},
  doi       = {10.1137/130907367},
  year      = {2013},
}