@article{16513,
  author = {Kent-Andre Mardal and Jarle Sogn and Stefan Takacs},
  title = {Robust Preconditioning and Error Estimates for Optimal Control of the Convection--Diffusion--Reaction Equation with Limited Observation in Isogeometric Analysis},
  year = {2022},
  journal = {SIAM Journal on Numerical Analysis},
  volume = {60},
  pages = {195 - 221},
  month = {Jan-02-2022},
  publisher = {SIAM},
  issn = {0036-1429},
  url = {https://epubs.siam.org/doi/10.1137/21M139147Xhttps://epubs.siam.org/doi/pdf/10.1137/21M139147X},
  doi = {10.1137/21M139147X},
}