@book{UBHD-66489624,
  author={Chen, Hongsen},
  title={An L 2- and L∞-error analysis for parabolic finite element equations with applications to superconvergence and error equations},
  year={1993},
  pages={134 S.},
  language={eng},
  school={Heidelberg, Univ., Diss., 1993},
  library={MA [Signatur: Diss. Chen]},
}
@book{UBHD-2578024,
  author={Chen, Hongsen},
  title={An L 2 - and L∞-error analysis for parabolic finite elemtent equations with applications to superconvergence and error expansions},
  publisher={IWR},
  address={Heidelberg},
  year={1993},
  pages={134 S.},
  language={eng},
  number={ARRAY(0x5619e35fb618)},
  series={Preprint / Interdisziplin{\"a}res Zentrum f{\"u}r Wissenschaftliches Rechnen, IWR},
  school={Zugl.: Heidelberg, Univ., Diss., 1993},
  library={UB [Signatur: 93 U 329] ; UB [Signatur: 93 U 329] ; UB [Signatur: 93 D 1385]},
}
@book{UBHD-3658949,
  author={Chen, Hongsen and Rannacher, Rolf},
  title={Superconvergence properties of finite element schemes for the Navier-Stokes problem},
  publisher={IWR},
  address={Heidelberg},
  year={1993},
  pages={27 S.},
  language={eng},
  number={ARRAY(0x5619e361f6e8)},
  series={Preprint / Interdisziplin{\"a}res Zentrum f{\"u}r Wissenschaftliches Rechnen, IWR},
  library={UB [Signatur: 93 X 54]},
}
@book{UBHD-68933607,
  author={Chen, Hongsen and Li, Bo},
  title={Superconvergence analysis and error expansion for the Wilson nonconforming finite element},
  publisher={IWR},
  address={Heidelberg},
  year={1993},
  pages={19 S.},
  language={eng},
  number={ARRAY(0x5619e3629590)},
  series={Preprint / Interdisziplin{\"a}res Zentrum f{\"u}r Wissenschaftliches Rechnen, IWR},
}