%0 Journal Article %A Marchuk, Guri %A Shutyaev, Victor %T Solvability and numerical algorithms for a class of variational data assimilation problems %J ESAIM: Control, Optimisation and Calculus of Variations %D 2002 %P 873-883 %V 8 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv:2002044/ %R 10.1051/cocv:2002044 %G en %F COCV_2002__8__873_0