@phdthesis{76856,
  author = {A.J. Wathen},
  title = {Preconditioned iterative methods for implicit equations},
  year = {2000},
  journal = {Workshop on Developments in Numerical Methods for Very High resolution global models, 5-7 June 2000},
  pages = {167-176},
  month = {2000},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}