%0 Journal Article %A G. I. Marchuk %A V. P. Shutyaev %T Adjoint equations and iterative algorithms in problems of variational data assimilation %J Trudy Instituta matematiki i mehaniki %D 2011 %P 136-150 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2011_17_2_a12/ %G ru %F TIMM_2011_17_2_a12