@misc{75891,
  author = {J. Pailleux},
  title = {Design of a variational analysis: Organisation and main scientific points. Computation of the distance to the observations},
  year = {1989},
  journal = {ECMWF Technical Memoranda},
  number = {150},
  pages = {23},
  month = {02/1989},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  url = {https://www.ecmwf.int/node/11468},
  doi = {10.21957/9xbizdyhj},
  language = {eng},
}