@ARTICLE{Auroux-02,
   author = {Auroux, D. and Blum, J.},
   title = {A dual data assimilation method for a layered quasi-geostrophic ocean model},
   journal = {Rev. R. Acad. Cien. Serie A Mat.},
   volume = {96(3)},
   pages = {316--320},
   year = {2002},
}