A Fast Solver for an $\mathcal{H}_1$ Regularized PDE-Constrained Optimization Problem. Communications in Computational Physics, [S. l.], v. 19, n. 1, p. 143–167, 2018. DOI: 10.4208/cicp.190914.080415a. Disponível em: https://gsp.tricubic.dev/cicp/article/view/7622. Acesso em: 14 mar. 2026.