@article{etna_vol58_pp228-243,
  author  = {Bo Gong and Jiguang Sun},
  title   = {Regular convergence and finite element methods for eigenvalue problems},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {58},
  year    = {2023},
  pages   = {228--243},
  doi     = {10.1553/etna_vol58s228},
}