@article{etna_vol63_pp566-608,
  author  = {Petr Vacek and Jan Papež and Zden\v{e}k Strako\v{s}},
  title   = {A posteriori error estimates based on multilevel decompositions with an iterative solver on the coarsest level},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {63},
  year    = {2025},
  pages   = {566--608},
  doi     = {10.1553/etna_vol63s566},
}