@article{chan1998transpose,
  title={Transpose-free formulations of Lanczos-type methods for nonsymmetric linear systems},
  author={Chan, Tony F and De Pillis, Lisette and van der Vorst, Henk},
  journal={Numerical Algorithms},
  volume={17},
  number={1},
  pages={51--66},
  year={1998},
  publisher={Kluwer Academic Publishers}
}