@misc{indiciaec1b996f37110,
  title = {Multigrid preconditioned conjugate-gradient method for large-scale wave-front reconstruction.},
  author = {Luc Gilles and Curtis R Vogel and Brent L Ellerbroek},
  year = {2002},
  doi = {10.1364/josaa.19.001817},
  url = {https://pubmed.ncbi.nlm.nih.gov/12216875/},
  note = {Source identifier: 12216875}
}