@article{etna_vol58_pp621-628,
  author  = {Thomas P. Wihler},
  title   = {A generalized Sassenfeld criterion and its relation to H-matrices},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {58},
  year    = {2023},
  pages   = {621--628},
  doi     = {10.1553/etna_vol58s621},
}