K.-A. Mardal, Jarle Sogn, Stefan Takacs,
"Robust preconditioning and error estimates for optimal control of the convection-diffusion-reaction equation with limited observationin Isogeometric analysis"
, in SIAM Journal on Numerical Analysis, Vol. 60, Nummer 1, Seite(n) 195 ? 221, 2022
Original Titel:
Robust preconditioning and error estimates for optimal control of the convection-diffusion-reaction equation with limited observationin Isogeometric analysis