@misc{indiciae6637de83a64c,
  title = {A note on multigrid preconditioning for fractional PDE-constrained optimization problems},
  author = {Antil, Harbir and Drăgănescu, Andrei and Green, Kiefer (ORCID:0000000194783330)},
  year = {2021},
  doi = {10.1016/j.rinam.2020.100133},
  url = {https://www.osti.gov/biblio/1731016},
  note = {Source identifier: 1731016}
}