@unpublished{arxiv, author = {J. Gedicke and S. Geevers and I. Perugia and J. Schöberl}, title = {A polynomial-degree-robust a posteriori error estimator for {N}\'ed\'elec discretizations of magnetostatic problems}, note = {arXiv preprint 2004.08323 [math.NA]}, year = {2020}, url = {http://arxiv.org/abs/2004.08323}, }