Igor Yu. Gejadze, François-Xavier Le Dimet, Victor P. Shutyaev. On analysis error covariances in variational data assimilation.
SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics, 2008, 30 (4), pp.1847-1874.
⟨10.1137/07068744X⟩.
⟨inria-00391893⟩