@article{etna_vol22_pp17-40,
  author  = {M. Arioli and J. Mary\v{s}ka and M. Rozlo\v{z}n{\'i}k and M. T\r{u}ma},
  title   = {Dual variable methods for mixed-hybrid finite element approximation of the potential fluid flow problem in porous media},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {22},
  year    = {2006},
  pages   = {17--40},
}