@article{UBHD-68313285,
  author={Husain, Akhlaq and Khan, Arbaz},
  title={Least-squares spectral element preconditioners for fourth order elliptic problems},
  year={2017},
  pages={482-503},
  language={eng},
  issn={1873-7668},
  volume={74},
  number={3},
  note={Available online: 25 May 2017 ; Gesehen am 09.10.2018},
  journal={Computers and mathematics with applications},
  doi={10.1016/j.camwa.2017.04.032},
}
@article{UBHD-68296072,
  author={Khan, Arbaz and Dutt, Pravir and Upadhyay, Chandra Shekhar},
  title={Spectral element method for parabolic initial value problem with non-smooth data},
  subtitle={analysis and application},
  year={2017},
  pages={876-905},
  language={eng},
  issn={1573-7691},
  volume={73},
  number={2-3},
  note={Gesehen am 16.08.2018},
  journal={Journal of scientific computing},
  doi={10.1007/s10915-017-0457-0},
}
@article{UBHD-68296073,
  author={Khan, Arbaz and Husain, Akhlaq},
  title={Exponentially accurate spectral element method for fourth order elliptic problems},
  year={2017},
  pages={303-328},
  language={eng},
  issn={1573-7691},
  volume={71},
  number={1},
  note={Published online: 04 October 2016 ; Gesehen am 16.08.2018},
  journal={Journal of scientific computing},
  doi={10.1007/s10915-016-0300-z},
}
@article{UBHD-68296077,
  author={Khan, Arbaz and Husain, Akhlaq and Mohapatra, Subhashree and Upadhyay, Chandra Shekhar},
  title={Spectral element method for three dimensional elliptic problems with smooth interfaces},
  year={2017},
  pages={522-549},
  language={eng},
  volume={315},
  note={Available online 14 November 2016 ; Gesehen am 16.08.2018},
  journal={Computer methods in applied mechanics and engineering},
  doi={10.1016/j.cma.2016.11.003},
}
@article{UBHD-68621012,
  author={Khan, Arbaz and Kanschat, Guido},
  title={A robust a posteriori error estimator for divergence-conforming discontinuous Galerkin methods for the Oseen equation},
  year={2020},
  pages={492-518},
  language={eng},
  issn={1095-7170},
  volume={58},
  number={1},
  note={Gesehen am 27.07.2020},
  journal={SIAM journal on numerical analysis},
  doi={10.1137/18M1169072},
}
@article{UBHD-68575236,
  author={Khan, Arbaz and Upadhyay, Chandra Shekhar},
  title={Exponentially accurate nonconforming least-squares spectral element method for elliptic problems on unbounded domain},
  year={2016},
  pages={607-633},
  language={eng},
  volume={305},
  note={Gesehen am 11.05.2020},
  journal={Computer methods in applied mechanics and engineering},
  doi={10.1016/j.cma.2016.03.024},
}