@article{deWiljesPathirajaReich2020,
  author    = {Jana de Wiljes and Sahani Darschika Pathiraja and Sebastian Reich},
  title     = {Ensemble transform algorithms for nonlinear smoothing problems},
  journal   = {SIAM journal on scientific computing},
  volume    = {42},
  number    = {1},
  pages     = {A87 -- A114},
  doi       = {10.1137/19M1239544},
  year      = {2020},
}