TY - JOUR AU - Marchuk, Guri AU - Shutyaev, Victor TI - Solvability and numerical algorithms for a class of variational data assimilation problems JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2002 SP - 873 EP - 883 VL - 8 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2002044/ DO - 10.1051/cocv:2002044 LA - en ID - COCV_2002__8__873_0 ER -