@article{etna_vol51_pp387-411,
  author  = {Artem Napov and Ronan Perrussel},
  title   = {Algebraic analysis of two-level multigrid methods for edge elements},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {51},
  year    = {2019},
  pages   = {387--411},
  doi     = {10.1553/etna_vol51s387},
}