@article{11312,
  author = {Dag Seljebotn and Kent-Andre Mardal and Jeff Jewell and Hans Eriksen and Philip Bull},
  title = {A Multilevel Solver for Gaussian Constrained CMB Realizations},
  year = {2014},
  journal = {The Astrophysical Journal Supplement Series},
  volume = {210},
  number = {2},
}