Testing non-linear force-free coronal magnetic field extrapolations with the Titov-Démoulin equilibriumT. Wiegelmann, B. Inhester, B. Kliem, G. Valori and T. NeukirchA&A, 453 2 (2006) 737-741DOI: https://doi.org/10.1051/0004-6361:20054751
